Revert "Remove support for MSVC"

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 
 #include "bindings/core/v8/DOMDataStore.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
 
 namespace blink {
 
+#if COMPILER(MSVC)
+__declspec(align(4))
+#endif
 struct SameSizeAsScriptWrappableBase { };
 
 COMPILE_ASSERT(sizeof(ScriptWrappableBase) <= sizeof(SameSizeAsScriptWrappableBase), ScriptWrappableBase_should_stay_small);
 
 struct SameSizeAsScriptWrappable : public ScriptWrappableBase {
     virtual ~SameSizeAsScriptWrappable() { }
     uintptr_t m_wrapperOrTypeInfo;
 };
 
 COMPILE_ASSERT(sizeof(ScriptWrappable) <= sizeof(SameSizeAsScriptWrappable), ScriptWrappable_should_stay_small);
@@ skipping 38 matching lines @@
     wrapperTypeInfo->installConditionallyEnabledProperties(wrapper, isolate);
     return associateWithWrapper(wrapperTypeInfo, wrapper, isolate);
 }
 
 v8::Handle<v8::Object> ScriptWrappable::associateWithWrapper(const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate)
 {
     return V8DOMWrapper::associateObjectWithWrapperNonTemplate(this, wrapperTypeInfo, wrapper, isolate);
 }
 
 } // namespace blink