Allow origin trials to be enabled by script

third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h

Index: third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
index dd345df3a033686b8a8a49f20ed2d21f5974f2d0..5d0d8c2fcfeda3825f8a655e7a42ed4e2496a4bb 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
+++ b/third_party/WebKit/Source/bindings/core/v8/V8PerContextData.h
@@ -85,6 +85,11 @@ class CORE_EXPORT V8PerContextData final {
                                         : constructorForTypeSlowCase(type);
   }
 
+  v8::Local<v8::Function> constructorForTypeFromCache(

[iclelland, 2017/01/20 14:31:19]

I'd document the return value, mostly for the case where the constructor is not
found in the map. (I hope the other case is obvious :) )

[chasej, 2017/01/25 19:58:20]

Done.

+      const WrapperTypeInfo* type) {
+    return m_constructorMap.Get(type);
+  }
+
   v8::Local<v8::Object> prototypeForType(const WrapperTypeInfo*);
 
   void addCustomElementBinding(std::unique_ptr<V0CustomElementBinding>);