Move encryptedmedia module to oilpan

Source/bindings/v8/WrapperTypeInfo.h

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 
 namespace WebCore {
 
     class ActiveDOMObject;
     class EventTarget;
     class Node;
 
     static const int v8DOMWrapperTypeIndex = static_cast<int>(gin::kWrapperInfoIndex);
     static const int v8DOMWrapperObjectIndex = static_cast<int>(gin::kEncodedValueIndex);
     static const int v8DefaultWrapperInternalFieldCount = static_cast<int>(gin::kNumberOfInternalFields);
-    // If we have v8PersistentHandleIndex, it should be the first index of the custom internal fields.
-    // This contract is needed to keep the index consistent with generated code.
-    // FIXME: oilpan: Don't add an extra internal field for storing a persistent handle.
-    // Instead we should reuse the internal field of v8DOMWrapperObjectIndex.
-    static const int v8PersistentHandleIndex = v8DefaultWrapperInternalFieldCount;
     static const int v8PrototypeTypeIndex = 0;
     static const int v8PrototypeInternalFieldcount = 1;
 
     static const uint16_t v8DOMNodeClassId = 1;
     static const uint16_t v8DOMObjectClassId = 2;
 
     enum WrapperWorldType {
         MainWorld,
         IsolatedWorld,
         WorkerWorld
@@ skipping 120 matching lines @@
         return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper);
     }
 
     inline const WrapperTypeInfo* toWrapperTypeInfo(v8::Handle<v8::Object> wrapper)
     {
         return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper);
     }
 
     inline const PersistentNode* toPersistentHandle(const v8::Handle<v8::Object>& wrapper)
     {
-        return getInternalField<PersistentNode, v8PersistentHandleIndex>(wrapper);
+        // Persistent handle is stored in the last internal field.
+        return static_cast<PersistentNode*>(wrapper->GetAlignedPointerFromInternalField(wrapper->InternalFieldCount() - 1));
     }
 
     inline void releaseObject(v8::Handle<v8::Object> wrapper)
     {
         const WrapperTypeInfo* typeInfo = toWrapperTypeInfo(wrapper);
 #if ENABLE(OILPAN)
         if (typeInfo->isGarbageCollected) {
             const PersistentNode* handle = toPersistentHandle(wrapper);
             ASSERT(handle);
             delete handle;
@@ skipping 36 matching lines @@
         return configuration;
     }
 
     template<class ElementType>
     class WrapperTypeTraits {
         // specialized classes have thier own functions, which are generated by binding generator.
     };
 }
 
 #endif // WrapperTypeInfo_h