Restore in-memory parser cache for V8 compile.

Source/core/fetch/Resource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 395 matching lines @@
 {
     // We only expect to receive cached metadata from the platform once.
     // If this triggers, it indicates an efficiency problem which is most
     // likely unexpected in code designed to improve performance.
     ASSERT(!m_cachedMetadata);
     ASSERT(!m_resourceToRevalidate);
 
     m_cachedMetadata = CachedMetadata::deserialize(data, size);
 }
 
-void Resource::setCachedMetadata(unsigned dataTypeID, const char* data, size_t size)
+void Resource::setCachedMetadata(unsigned dataTypeID, const char* data, size_t size, MetadataCacheType cacheType)
 {
     // Currently, only one type of cached metadata per resource is supported.
     // If the need arises for multiple types of metadata per resource this could
     // be enhanced to store types of metadata in a map.
     ASSERT(!m_cachedMetadata);
 
     m_cachedMetadata = CachedMetadata::create(dataTypeID, data, size);
-    const Vector<char>& serializedData = m_cachedMetadata->serialize();
-    blink::Platform::current()->cacheMetadata(m_response.url(), m_response.responseTime(), serializedData.data(), serializedData.size());
+
+    if (cacheType == SendToPlatform) {
+        const Vector<char>& serializedData = m_cachedMetadata->serialize();
+        blink::Platform::current()->cacheMetadata(m_response.url(), m_response.responseTime(), serializedData.data(), serializedData.size());
+    }
 }
 
 void Resource::clearCachedMetadata()
 {
     m_cachedMetadata.clear();
 }
 
 bool Resource::canDelete() const
 {
     return !hasClients() && !m_loader && !m_preloadCount && hasRightHandleCountApartFromCache(0)
@@ skipping 578 matching lines @@
         return "ImportResource";
     case Resource::Media:
         return "Media";
     }
     ASSERT_NOT_REACHED();
     return "Unknown";
 }
 #endif // !LOG_DISABLED
 
 }