diff --git a/third_party/WebKit/Source/bindings/core/v8/BUILD.gn b/third_party/WebKit/Source/bindings/core/v8/BUILD.gn
index 6708cbefb483a6..b8a25c663e4b51 100644
--- a/third_party/WebKit/Source/bindings/core/v8/BUILD.gn
+++ b/third_party/WebKit/Source/bindings/core/v8/BUILD.gn
@@ -10,165 +10,6 @@ import("//third_party/WebKit/Source/core/core_idl_files.gni")
 
 visibility = [ "//third_party/WebKit/Source/*" ]
 
-generated_core_dictionary_files = [
-  "$blink_core_output_dir/animation/AnimationEffectTimingProperties.cpp",
-  "$blink_core_output_dir/animation/AnimationEffectTimingProperties.h",
-  "$blink_core_output_dir/animation/ComputedTimingProperties.cpp",
-  "$blink_core_output_dir/animation/ComputedTimingProperties.h",
-  "$blink_core_output_dir/animation/KeyframeAnimationOptions.cpp",
-  "$blink_core_output_dir/animation/KeyframeAnimationOptions.h",
-  "$blink_core_output_dir/animation/KeyframeEffectOptions.cpp",
-  "$blink_core_output_dir/animation/KeyframeEffectOptions.h",
-  "$blink_core_output_dir/css/FontFaceDescriptors.cpp",
-  "$blink_core_output_dir/css/FontFaceDescriptors.h",
-  "$blink_core_output_dir/css/FontFaceSetLoadEventInit.cpp",
-  "$blink_core_output_dir/css/FontFaceSetLoadEventInit.h",
-  "$blink_core_output_dir/css/MediaQueryListEventInit.cpp",
-  "$blink_core_output_dir/css/MediaQueryListEventInit.h",
-  "$blink_core_output_dir/css/PropertyDescriptor.cpp",
-  "$blink_core_output_dir/css/PropertyDescriptor.h",
-  "$blink_core_output_dir/css/cssom/CSSCalcDictionary.cpp",
-  "$blink_core_output_dir/css/cssom/CSSCalcDictionary.h",
-  "$blink_core_output_dir/dom/ElementCreationOptions.cpp",
-  "$blink_core_output_dir/dom/ElementCreationOptions.h",
-  "$blink_core_output_dir/dom/ElementDefinitionOptions.cpp",
-  "$blink_core_output_dir/dom/ElementDefinitionOptions.h",
-  "$blink_core_output_dir/dom/ElementRegistrationOptions.cpp",
-  "$blink_core_output_dir/dom/ElementRegistrationOptions.h",
-  "$blink_core_output_dir/dom/GetRootNodeOptions.cpp",
-  "$blink_core_output_dir/dom/GetRootNodeOptions.h",
-  "$blink_core_output_dir/dom/IdleRequestOptions.cpp",
-  "$blink_core_output_dir/dom/IdleRequestOptions.h",
-  "$blink_core_output_dir/dom/IntersectionObserverInit.cpp",
-  "$blink_core_output_dir/dom/IntersectionObserverInit.h",
-  "$blink_core_output_dir/dom/MutationObserverInit.cpp",
-  "$blink_core_output_dir/dom/MutationObserverInit.h",
-  "$blink_core_output_dir/dom/shadow/ShadowRootInit.cpp",
-  "$blink_core_output_dir/dom/shadow/ShadowRootInit.h",
-  "$blink_core_output_dir/dom/TouchInit.cpp",
-  "$blink_core_output_dir/dom/TouchInit.h",
-  "$blink_core_output_dir/events/AddEventListenerOptions.cpp",
-  "$blink_core_output_dir/events/AddEventListenerOptions.h",
-  "$blink_core_output_dir/events/AnimationEventInit.cpp",
-  "$blink_core_output_dir/events/AnimationEventInit.h",
-  "$blink_core_output_dir/events/AnimationPlaybackEventInit.cpp",
-  "$blink_core_output_dir/events/AnimationPlaybackEventInit.h",
-  "$blink_core_output_dir/events/ApplicationCacheErrorEventInit.cpp",
-  "$blink_core_output_dir/events/ApplicationCacheErrorEventInit.h",
-  "$blink_core_output_dir/events/ClipboardEventInit.cpp",
-  "$blink_core_output_dir/events/ClipboardEventInit.h",
-  "$blink_core_output_dir/events/CompositionEventInit.cpp",
-  "$blink_core_output_dir/events/CompositionEventInit.h",
-  "$blink_core_output_dir/events/CustomEventInit.cpp",
-  "$blink_core_output_dir/events/CustomEventInit.h",
-  "$blink_core_output_dir/events/DragEventInit.cpp",
-  "$blink_core_output_dir/events/DragEventInit.h",
-  "$blink_core_output_dir/events/ErrorEventInit.cpp",
-  "$blink_core_output_dir/events/ErrorEventInit.h",
-  "$blink_core_output_dir/events/EventInit.cpp",
-  "$blink_core_output_dir/events/EventInit.h",
-  "$blink_core_output_dir/events/EventListenerOptions.cpp",
-  "$blink_core_output_dir/events/EventListenerOptions.h",
-  "$blink_core_output_dir/events/EventModifierInit.cpp",
-  "$blink_core_output_dir/events/EventModifierInit.h",
-  "$blink_core_output_dir/events/FocusEventInit.cpp",
-  "$blink_core_output_dir/events/FocusEventInit.h",
-  "$blink_core_output_dir/events/HashChangeEventInit.cpp",
-  "$blink_core_output_dir/events/HashChangeEventInit.h",
-  "$blink_core_output_dir/events/InputEventInit.cpp",
-  "$blink_core_output_dir/events/InputEventInit.h",
-  "$blink_core_output_dir/events/KeyboardEventInit.cpp",
-  "$blink_core_output_dir/events/KeyboardEventInit.h",
-  "$blink_core_output_dir/events/MessageEventInit.cpp",
-  "$blink_core_output_dir/events/MessageEventInit.h",
-  "$blink_core_output_dir/events/MouseEventInit.cpp",
-  "$blink_core_output_dir/events/MouseEventInit.h",
-  "$blink_core_output_dir/events/PageTransitionEventInit.cpp",
-  "$blink_core_output_dir/events/PageTransitionEventInit.h",
-  "$blink_core_output_dir/events/PointerEventInit.cpp",
-  "$blink_core_output_dir/events/PointerEventInit.h",
-  "$blink_core_output_dir/events/PopStateEventInit.cpp",
-  "$blink_core_output_dir/events/PopStateEventInit.h",
-  "$blink_core_output_dir/events/ProgressEventInit.cpp",
-  "$blink_core_output_dir/events/ProgressEventInit.h",
-  "$blink_core_output_dir/events/PromiseRejectionEventInit.cpp",
-  "$blink_core_output_dir/events/PromiseRejectionEventInit.h",
-  "$blink_core_output_dir/events/SecurityPolicyViolationEventInit.cpp",
-  "$blink_core_output_dir/events/SecurityPolicyViolationEventInit.h",
-  "$blink_core_output_dir/events/TouchEventInit.cpp",
-  "$blink_core_output_dir/events/TouchEventInit.h",
-  "$blink_core_output_dir/events/TransitionEventInit.cpp",
-  "$blink_core_output_dir/events/TransitionEventInit.h",
-  "$blink_core_output_dir/events/UIEventInit.cpp",
-  "$blink_core_output_dir/events/UIEventInit.h",
-  "$blink_core_output_dir/events/WheelEventInit.cpp",
-  "$blink_core_output_dir/events/WheelEventInit.h",
-  "$blink_core_output_dir/fileapi/BlobPropertyBag.cpp",
-  "$blink_core_output_dir/fileapi/BlobPropertyBag.h",
-  "$blink_core_output_dir/fileapi/FilePropertyBag.cpp",
-  "$blink_core_output_dir/fileapi/FilePropertyBag.h",
-  "$blink_core_output_dir/frame/ScrollOptions.cpp",
-  "$blink_core_output_dir/frame/ScrollOptions.h",
-  "$blink_core_output_dir/frame/ScrollToOptions.cpp",
-  "$blink_core_output_dir/frame/ScrollToOptions.h",
-  "$blink_core_output_dir/geometry/DOMMatrixInit.cpp",
-  "$blink_core_output_dir/geometry/DOMMatrixInit.h",
-  "$blink_core_output_dir/geometry/DOMPointInit.cpp",
-  "$blink_core_output_dir/geometry/DOMPointInit.h",
-  "$blink_core_output_dir/geometry/DOMQuadInit.cpp",
-  "$blink_core_output_dir/geometry/DOMQuadInit.h",
-  "$blink_core_output_dir/geometry/DOMRectInit.cpp",
-  "$blink_core_output_dir/geometry/DOMRectInit.h",
-  "$blink_core_output_dir/html/AssignedNodesOptions.cpp",
-  "$blink_core_output_dir/html/AssignedNodesOptions.h",
-  "$blink_core_output_dir/html/ImageDataColorSettings.cpp",
-  "$blink_core_output_dir/html/ImageDataColorSettings.h",
-  "$blink_core_output_dir/html/canvas/CanvasContextCreationAttributes.cpp",
-  "$blink_core_output_dir/html/canvas/CanvasContextCreationAttributes.h",
-  "$blink_core_output_dir/html/track/TrackEventInit.cpp",
-  "$blink_core_output_dir/html/track/TrackEventInit.h",
-  "$blink_core_output_dir/imagebitmap/ImageBitmapOptions.cpp",
-  "$blink_core_output_dir/imagebitmap/ImageBitmapOptions.h",
-  "$blink_core_output_dir/input/InputDeviceCapabilitiesInit.cpp",
-  "$blink_core_output_dir/input/InputDeviceCapabilitiesInit.h",
-  "$blink_core_output_dir/mojo/MojoCreateDataPipeOptions.cpp",
-  "$blink_core_output_dir/mojo/MojoCreateDataPipeOptions.h",
-  "$blink_core_output_dir/mojo/MojoCreateDataPipeResult.cpp",
-  "$blink_core_output_dir/mojo/MojoCreateDataPipeResult.h",
-  "$blink_core_output_dir/mojo/MojoCreateMessagePipeResult.cpp",
-  "$blink_core_output_dir/mojo/MojoCreateMessagePipeResult.h",
-  "$blink_core_output_dir/mojo/MojoCreateSharedBufferResult.cpp",
-  "$blink_core_output_dir/mojo/MojoCreateSharedBufferResult.h",
-  "$blink_core_output_dir/mojo/MojoDiscardDataOptions.cpp",
-  "$blink_core_output_dir/mojo/MojoDiscardDataOptions.h",
-  "$blink_core_output_dir/mojo/MojoDuplicateBufferHandleOptions.cpp",
-  "$blink_core_output_dir/mojo/MojoDuplicateBufferHandleOptions.h",
-  "$blink_core_output_dir/mojo/MojoHandleSignals.cpp",
-  "$blink_core_output_dir/mojo/MojoHandleSignals.h",
-  "$blink_core_output_dir/mojo/MojoMapBufferResult.cpp",
-  "$blink_core_output_dir/mojo/MojoMapBufferResult.h",
-  "$blink_core_output_dir/mojo/MojoReadDataOptions.cpp",
-  "$blink_core_output_dir/mojo/MojoReadDataOptions.h",
-  "$blink_core_output_dir/mojo/MojoReadDataResult.cpp",
-  "$blink_core_output_dir/mojo/MojoReadDataResult.h",
-  "$blink_core_output_dir/mojo/MojoReadMessageFlags.cpp",
-  "$blink_core_output_dir/mojo/MojoReadMessageFlags.h",
-  "$blink_core_output_dir/mojo/MojoReadMessageResult.cpp",
-  "$blink_core_output_dir/mojo/MojoReadMessageResult.h",
-  "$blink_core_output_dir/mojo/MojoWriteDataOptions.cpp",
-  "$blink_core_output_dir/mojo/MojoWriteDataOptions.h",
-  "$blink_core_output_dir/mojo/MojoWriteDataResult.cpp",
-  "$blink_core_output_dir/mojo/MojoWriteDataResult.h",
-  "$blink_core_output_dir/offscreencanvas/ImageEncodeOptions.cpp",
-  "$blink_core_output_dir/offscreencanvas/ImageEncodeOptions.h",
-  "$blink_core_output_dir/page/scrolling/ScrollStateInit.cpp",
-  "$blink_core_output_dir/page/scrolling/ScrollStateInit.h",
-  "$blink_core_output_dir/timing/PerformanceObserverInit.cpp",
-  "$blink_core_output_dir/timing/PerformanceObserverInit.h",
-  "$blink_core_output_dir/workers/WorkletOptions.cpp",
-  "$blink_core_output_dir/workers/WorkletOptions.h",
-]
-
 bindings_core_generated_union_type_files = [
   "$bindings_core_v8_output_dir/AddEventListenerOptionsOrBoolean.cpp",
   "$bindings_core_v8_output_dir/AddEventListenerOptionsOrBoolean.h",
@@ -244,15 +85,6 @@ bindings_core_generated_union_type_files = [
   "$bindings_core_v8_output_dir/VideoTrackOrAudioTrackOrTextTrack.h",
 ]
 
-generated_core_testing_dictionary_files = [
-  "$blink_core_output_dir/testing/InternalDictionary.cpp",
-  "$blink_core_output_dir/testing/InternalDictionary.h",
-  "$blink_core_output_dir/testing/InternalDictionaryDerived.cpp",
-  "$blink_core_output_dir/testing/InternalDictionaryDerived.h",
-  "$blink_core_output_dir/testing/InternalDictionaryDerivedDerived.cpp",
-  "$blink_core_output_dir/testing/InternalDictionaryDerivedDerived.h",
-]
-
 generated_core_testing_callback_function_files = [
   "$bindings_core_v8_output_dir/TestCallback.cpp",
   "$bindings_core_v8_output_dir/TestCallback.h",
@@ -322,22 +154,32 @@ aggregate_generated_bindings("generate_bindings_core_v8_all_interfaces") {
 }
 
 idl_impl("bindings_core_impl_generated") {
-  sources = core_dictionary_idl_files + core_testing_dictionary_idl_files
-  outputs = bindings_core_generated_union_type_files +
-            generated_core_dictionary_files +
-            generated_core_testing_dictionary_files +
-            generated_core_testing_callback_function_files +
-            generated_core_callback_function_files
-  output_dir = bindings_core_v8_output_dir
+  dict_idls = core_dictionary_idl_files + core_testing_dictionary_idl_files
+  non_dict_outputs = bindings_core_generated_union_type_files +
+                     generated_core_testing_callback_function_files +
+                     generated_core_callback_function_files
+  non_dict_output_dir = bindings_core_v8_output_dir
   target_component = "core"
 }
 
+# Even though the idl_impl() call above generates .cpp and .h files for both
+# |core_dictionary_idl_files| and |core_testing_dictionary_idl_files|, we need
+# to do some manual processing because the generated files are used in
+# different targets.
+generated_core_testing_dictionary_files =
+    process_file_template(
+        core_testing_dictionary_idl_files,
+        [
+          "$blink_core_output_dir/testing/{{source_name_part}}.cpp",
+          "$blink_core_output_dir/testing/{{source_name_part}}.h",
+        ])
+
 # Compile the non-test sources generated above.
 blink_core_sources("bindings_core_impl") {
-  sources = bindings_core_generated_union_type_files +
-            generated_core_dictionary_files +
-            bindings_core_generated_interface_files +
-            generated_core_callback_function_files
+  _non_testing_sources = get_target_outputs(":bindings_core_impl_generated") -
+                         generated_core_testing_dictionary_files -
+                         generated_core_testing_callback_function_files
+  sources = _non_testing_sources + bindings_core_generated_interface_files
 
   deps = [
     ":bindings_core_v8_generated",
diff --git a/third_party/WebKit/Source/bindings/modules/v8/BUILD.gn b/third_party/WebKit/Source/bindings/modules/v8/BUILD.gn
index 961fabe550f65d..10eaaa9c6829e4 100644
--- a/third_party/WebKit/Source/bindings/modules/v8/BUILD.gn
+++ b/third_party/WebKit/Source/bindings/modules/v8/BUILD.gn
@@ -27,11 +27,10 @@ idl_compiler("generate_bindings_modules_v8_interfaces") {
 }
 
 idl_impl("bindings_modules_impl_generated") {
-  sources = modules_dictionary_idl_files
-  outputs = bindings_modules_generated_union_type_files +
-            generated_modules_dictionary_files +
-            generated_modules_callback_function_files
-  output_dir = bindings_modules_v8_output_dir
+  dict_idls = modules_dictionary_idl_files
+  non_dict_outputs = bindings_modules_generated_union_type_files +
+                     generated_modules_callback_function_files
+  non_dict_output_dir = bindings_modules_v8_output_dir
   target_component = "modules"
 }
 
diff --git a/third_party/WebKit/Source/bindings/scripts/scripts.gni b/third_party/WebKit/Source/bindings/scripts/scripts.gni
index fc7b26c7520276..9fefa29e601331 100644
--- a/third_party/WebKit/Source/bindings/scripts/scripts.gni
+++ b/third_party/WebKit/Source/bindings/scripts/scripts.gni
@@ -245,12 +245,17 @@ template("idl_compiler") {
   }
 }
 
-# Runs the idl_compiler to generate IDL dictionary and union impl files.
+# Runs idl_compiler.py to generate IDL dictionary impl files, unions and
+# callback functions.
 #
 # Parameters:
-#   sources = a list of IDL files to process
-#   outputs = a list of files to write to
-#   output_dir = the directory to put the output files
+#   dict_idls = a list of dictionary IDL files to process. the callback and
+#               union IDL file names are already known and do not need to be
+#               specified.
+#   non_dict_outputs = a list of files generated from callback functions and
+#                      unions. the list of files generated from |dict_idls| is
+#                      added automatically and does not need to be specified.
+#   non_dict_output_dir = the directory to put the non-dict output files.
 #   target_component = component to generate code for
 template("idl_impl") {
   dictionary_impl_output_dir = "$root_gen_dir/blink/"
@@ -258,7 +263,7 @@ template("idl_impl") {
   action(target_name) {
     script = "//third_party/WebKit/Source/bindings/scripts/idl_compiler.py"
     idl_files_list = "$target_gen_dir/${target_name}_file_list.tmp"
-    write_file(idl_files_list, rebase_path(invoker.sources, root_build_dir))
+    write_file(idl_files_list, rebase_path(invoker.dict_idls, root_build_dir))
 
     inputs = idl_lexer_parser_files + idl_compiler_files  # to be explicit (covered by parsetab)
     inputs += [
@@ -267,14 +272,27 @@ template("idl_impl") {
       "$bindings_scripts_output_dir/cached_jinja_templates.stamp",
       "$bindings_dir/IDLExtendedAttributes.txt",
     ]
-    inputs += [ idl_files_list ] + invoker.sources
-    outputs = invoker.outputs
+    inputs += [ idl_files_list ] + invoker.dict_idls
+    outputs = invoker.non_dict_outputs
+
+    # Derive the names of the generated dictionary impl files. Contrary to
+    # generated interfaces, callbacks and unions, these files go to
+    # $root_gen_dir/blink/{core,modules}/<module name>/<IDLName>.{cpp,h}.
+    foreach(dict_idl, invoker.dict_idls) {
+      rel_path = rebase_path(dict_idl, "//third_party/WebKit/Source")
+      impl_dir = get_path_info(rel_path, "dir")
+      idl_name = get_path_info(rel_path, "name")
+      outputs += [
+        "${dictionary_impl_output_dir}$impl_dir/$idl_name.cpp",
+        "${dictionary_impl_output_dir}$impl_dir/$idl_name.h",
+      ]
+    }
 
     args = [
       "--cache-dir",
       rebase_path(bindings_scripts_output_dir, root_build_dir),
       "--output-dir",
-      rebase_path(invoker.output_dir, root_build_dir),
+      rebase_path(invoker.non_dict_output_dir, root_build_dir),
       "--impl-output-dir",
       rebase_path(dictionary_impl_output_dir, root_build_dir),
       "--info-dir",
diff --git a/third_party/WebKit/Source/modules/modules_idl_files.gni b/third_party/WebKit/Source/modules/modules_idl_files.gni
index f6d59f9910256a..13f3379f2b6dcc 100644
--- a/third_party/WebKit/Source/modules/modules_idl_files.gni
+++ b/third_party/WebKit/Source/modules/modules_idl_files.gni
@@ -698,349 +698,3 @@ modules_generated_dependency_idl_files =
 # collision
 modules_all_dependency_idl_files =
     modules_static_dependency_idl_files + modules_generated_dependency_idl_files
-
-# Source files generated from IDL.
-generated_modules_dictionary_files = [
-  # TODO ideally this would not be listed explicitly. Rather, we would have
-  # different categories of .idl files that produce certain patterns of
-  # source files. Then these sources files can be programatically expanded
-  # from the .idl file list(s).
-  "$blink_modules_output_dir/app_banner/BeforeInstallPromptEventInit.cpp",
-  "$blink_modules_output_dir/app_banner/BeforeInstallPromptEventInit.h",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchClickEventInit.cpp",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchClickEventInit.h",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchEventInit.cpp",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchEventInit.h",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchFailEventInit.cpp",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchFailEventInit.h",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchOptions.cpp",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchOptions.h",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchedEventInit.cpp",
-  "$blink_modules_output_dir/background_fetch/BackgroundFetchedEventInit.h",
-  "$blink_modules_output_dir/background_fetch/IconDefinition.cpp",
-  "$blink_modules_output_dir/background_fetch/IconDefinition.h",
-  "$blink_modules_output_dir/background_sync/SyncEventInit.cpp",
-  "$blink_modules_output_dir/background_sync/SyncEventInit.h",
-  "$blink_modules_output_dir/bluetooth/BluetoothLEScanFilterInit.cpp",
-  "$blink_modules_output_dir/bluetooth/BluetoothLEScanFilterInit.h",
-  "$blink_modules_output_dir/bluetooth/RequestDeviceOptions.cpp",
-  "$blink_modules_output_dir/bluetooth/RequestDeviceOptions.h",
-  "$blink_modules_output_dir/cachestorage/CacheQueryOptions.cpp",
-  "$blink_modules_output_dir/cachestorage/CacheQueryOptions.h",
-  "$blink_modules_output_dir/canvas2d/CanvasRenderingContext2DSettings.cpp",
-  "$blink_modules_output_dir/canvas2d/CanvasRenderingContext2DSettings.h",
-  "$blink_modules_output_dir/canvas2d/HitRegionOptions.cpp",
-  "$blink_modules_output_dir/canvas2d/HitRegionOptions.h",
-  "$blink_modules_output_dir/credentialmanager/CredentialData.cpp",
-  "$blink_modules_output_dir/credentialmanager/CredentialData.h",
-  "$blink_modules_output_dir/credentialmanager/CredentialCreationOptions.cpp",
-  "$blink_modules_output_dir/credentialmanager/CredentialCreationOptions.h",
-  "$blink_modules_output_dir/credentialmanager/CredentialRequestOptions.cpp",
-  "$blink_modules_output_dir/credentialmanager/CredentialRequestOptions.h",
-  "$blink_modules_output_dir/credentialmanager/FederatedCredentialInit.cpp",
-  "$blink_modules_output_dir/credentialmanager/FederatedCredentialInit.h",
-  "$blink_modules_output_dir/credentialmanager/FederatedCredentialRequestOptions.cpp",
-  "$blink_modules_output_dir/credentialmanager/FederatedCredentialRequestOptions.h",
-  "$blink_modules_output_dir/credentialmanager/FormDataOptions.cpp",
-  "$blink_modules_output_dir/credentialmanager/FormDataOptions.h",
-  "$blink_modules_output_dir/credentialmanager/PasswordCredentialData.cpp",
-  "$blink_modules_output_dir/credentialmanager/PasswordCredentialData.h",
-  "$blink_modules_output_dir/device_orientation/DeviceAccelerationInit.cpp",
-  "$blink_modules_output_dir/device_orientation/DeviceAccelerationInit.h",
-  "$blink_modules_output_dir/device_orientation/DeviceMotionEventInit.cpp",
-  "$blink_modules_output_dir/device_orientation/DeviceMotionEventInit.h",
-  "$blink_modules_output_dir/device_orientation/DeviceOrientationEventInit.cpp",
-  "$blink_modules_output_dir/device_orientation/DeviceOrientationEventInit.h",
-  "$blink_modules_output_dir/device_orientation/DeviceRotationRateInit.cpp",
-  "$blink_modules_output_dir/device_orientation/DeviceRotationRateInit.h",
-  "$blink_modules_output_dir/encoding/TextDecodeOptions.cpp",
-  "$blink_modules_output_dir/encoding/TextDecodeOptions.h",
-  "$blink_modules_output_dir/encoding/TextDecoderOptions.cpp",
-  "$blink_modules_output_dir/encoding/TextDecoderOptions.h",
-  "$blink_modules_output_dir/encryptedmedia/MediaEncryptedEventInit.cpp",
-  "$blink_modules_output_dir/encryptedmedia/MediaEncryptedEventInit.h",
-  "$blink_modules_output_dir/encryptedmedia/MediaKeyMessageEventInit.cpp",
-  "$blink_modules_output_dir/encryptedmedia/MediaKeyMessageEventInit.h",
-  "$blink_modules_output_dir/encryptedmedia/MediaKeySystemConfiguration.cpp",
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