From 26939801f6799a4d449d4097ea2ca6b1e166fe02 Mon Sep 17 00:00:00 2001
From: bridiver <github@brianjohnson.cc>
Date: Thu, 23 Apr 2020 09:15:29 -0700
Subject: [PATCH] check for empty content setting rules fix
 https://github.com/brave/brave-browser/issues/9421

---
 renderer/brave_content_settings_agent_impl.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/renderer/brave_content_settings_agent_impl.cc b/renderer/brave_content_settings_agent_impl.cc
index 3bacb2884404..355521ed4552 100644
--- a/renderer/brave_content_settings_agent_impl.cc
+++ b/renderer/brave_content_settings_agent_impl.cc
@@ -70,7 +70,6 @@ ContentSetting GetBraveContentSettingFromRules(
       return rule.GetContentSetting();
     }
   }
-  NOTREACHED();
   return CONTENT_SETTING_DEFAULT;
 }
 
@@ -276,9 +275,13 @@ bool BraveContentSettingsAgentImpl::AllowFingerprinting(
 
 BraveFarblingLevel BraveContentSettingsAgentImpl::GetBraveFarblingLevel() {
   blink::WebLocalFrame* frame = render_frame()->GetWebFrame();
-  ContentSetting setting = GetBraveContentSettingFromRules(
+
+  ContentSetting setting = CONTENT_SETTING_DEFAULT;
+  if (content_setting_rules_) {
+    setting = GetBraveContentSettingFromRules(
         content_setting_rules_->fingerprinting_rules, frame,
         url::Origin(frame->GetDocument().GetSecurityOrigin()).GetURL());
+  }
 
   if (base::FeatureList::IsEnabled(
       brave_shields::features::kFingerprintingProtectionV2)) {