Enable ES6 classes.

sky/engine/bindings/core/v8/V8Initializer.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 173 matching lines @@
 
 static void timerTraceProfilerInMainThread(const char* name, int status)
 {
     if (!status) {
         TRACE_EVENT_BEGIN0("v8", name);
     } else {
         TRACE_EVENT_END0("v8", name);
     }
 }
 
-static void initializeV8Common(v8::Isolate* isolate)
-{
-    v8::V8::AddGCPrologueCallback(V8GCController::gcPrologue);
-    v8::V8::AddGCEpilogueCallback(V8GCController::gcEpilogue);
-
-    v8::Debug::SetLiveEditEnabled(isolate, false);
-
-    isolate->SetAutorunMicrotasks(false);
-}
-
 void V8Initializer::initializeMainThreadIfNeeded()
 {
     ASSERT(isMainThread());
 
     static bool initialized = false;
     if (initialized)
         return;
     initialized = true;
 
+    static const char v8Flags[] = "--harmony-classes";

[eseidel, 2014/11/20 18:54:21]

We should turn on every last bit of harmony we can w/o our viewer goign down in
flames.

+    v8::V8::SetFlagsFromString(v8Flags, sizeof(v8Flags) - 1);
+
     gin::IsolateHolder::Initialize(gin::IsolateHolder::kStrictMode, v8ArrayBufferAllocator());
 
     v8::Isolate* isolate = V8PerIsolateData::initialize();
 
-    initializeV8Common(isolate);
+    v8::V8::AddGCPrologueCallback(V8GCController::gcPrologue);
+    v8::V8::AddGCEpilogueCallback(V8GCController::gcEpilogue);
+
+    v8::Debug::SetLiveEditEnabled(isolate, false);
+
+    isolate->SetAutorunMicrotasks(false);
 
     v8::V8::SetFatalErrorHandler(reportFatalErrorInMainThread);
     v8::V8::AddMessageListener(messageHandlerInMainThread);
     v8::V8::SetFailedAccessCheckCallbackFunction(failedAccessCheckCallbackInMainThread);
 
     isolate->SetEventLogger(timerTraceProfilerInMainThread);
 
     ScriptProfiler::initialize();
 }
 
 } // namespace blink