chakrashim: Fixed v8 APIs after merge

Added 'HeapSpaceStatistics' API from v8 into chakrashim.

deps/chakrashim/include/v8.h

@@ -2064,6 +2064,25 @@ class V8_EXPORT HeapStatistics {
   size_t heap_size_limit() { return 0; }
 };
 
+class V8_EXPORT HeapSpaceStatistics {
+public:
+  HeapSpaceStatistics() {}
+  const char* space_name() { return ""; }
+  size_t space_size() { return 0; }
+  size_t space_used_size() { return 0; }
+  size_t space_available_size() { return 0; }
+  size_t physical_space_size() { return 0; }
+
+private:
+  const char* space_name_;
+  size_t space_size_;
+  size_t space_used_size_;
+  size_t space_available_size_;
+  size_t physical_space_size_;
+
+  friend class Isolate;
+};
+
 typedef void(*FunctionEntryHook)(uintptr_t function,
                                  uintptr_t return_addr_location);
 typedef int* (*CounterLookupCallback)(const char* name);
@@ -2116,6 +2135,9 @@ class V8_EXPORT Isolate {
   void Dispose();
 
   void GetHeapStatistics(HeapStatistics *heap_statistics);
+  size_t NumberOfHeapSpaces();
+  bool GetHeapSpaceStatistics(HeapSpaceStatistics* space_statistics,
+                              size_t index);
   int64_t AdjustAmountOfExternalAllocatedMemory(int64_t change_in_bytes);
   void SetData(uint32_t slot, void* data);
   void* GetData(uint32_t slot);

deps/chakrashim/lib/chakra_shim.js

@@ -187,7 +187,7 @@
     });
 
     return ensureStackTrace;
-  };
+  }
 
   function patchErrorStack() {
     Error.captureStackTrace = captureStackTrace;
@@ -315,7 +315,7 @@
     function compareType(o, expectedType) {
       return Object_prototype_toString.call(o) === '[object ' +
             expectedType + ']';
-    };
+    }
     utils.isBooleanObject = function(obj) {
       return compareType(obj, 'Boolean');
     };

deps/chakrashim/src/v8isolate.cc

@@ -176,4 +176,15 @@ void Isolate::GetHeapStatistics(HeapStatistics *heap_statistics) {
   heap_statistics->set_heap_size(memoryUsage);
 }
 
+size_t Isolate::NumberOfHeapSpaces() {
+  //Chakra doesn't expose HEAP space stats
+  return 0;
+}
+
+bool Isolate::GetHeapSpaceStatistics(HeapSpaceStatistics* space_statistics,
+                                     size_t index) {
+  //Chakra doesn't expose HEAP space stats
+  return true;
+}
+
 }  // namespace v8