Replace AllowCrossThreadAccess() + non-GCed pointers with crossThreadUnretained()

third_party/WebKit/Source/platform/exported/Platform.cpp

 /*
  * Copyright (C) 2012 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 48 matching lines @@
         sizeInMB = supportedMaxSizeInMB - 1;
 
     // Send a UseCounter only when we see the highest memory usage
     // we've ever seen.
     DEFINE_STATIC_LOCAL(EnumerationHistogram, committedSizeHistogram, ("PartitionAlloc.CommittedSize", supportedMaxSizeInMB));
     committedSizeHistogram.count(sizeInMB);
 }
 
 static void callOnMainThreadFunction(WTF::MainThreadFunction function, void* context)
 {
-    Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(function, AllowCrossThreadAccess(context)));
+    Platform::current()->mainThread()->getWebTaskRunner()->postTask(BLINK_FROM_HERE, threadSafeBind(function, crossThreadUnretained(context)));
 }
 
 void Platform::initialize(Platform* platform)
 {
     ASSERT(!s_platform);
     ASSERT(platform);
     s_platform = platform;
     s_platform->m_mainThread = platform->currentThread();
 
     WTF::Partitions::initialize(maxObservedSizeFunction);
@@ skipping 58 matching lines @@
 {
     return m_mainThread;
 }
 
 ServiceRegistry* Platform::serviceRegistry()
 {
     return ServiceRegistry::getEmptyServiceRegistry();
 }
 
 } // namespace blink