Introduce WebTaskRunner Patch 3/5

Source/platform/graphics/ImageFrameGeneratorTest.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:
  *
  * 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
@@ skipping 159 matching lines @@
 
     char buffer[100 * 100 * 4];
     m_generator->decodeAndScale(imageInfo(), 0, buffer, 100 * 4);
     EXPECT_EQ(1, m_decodeRequestCount);
     EXPECT_EQ(0, m_decodersDestroyed);
 
     // LocalFrame can now be decoded completely.
     setFrameStatus(ImageFrame::FrameComplete);
     addNewData();
     OwnPtr<WebThread> thread = adoptPtr(Platform::current()->createThread("DecodeThread"));
-    thread->postTask(FROM_HERE, new Task(threadSafeBind(&decodeThreadMain, AllowCrossThreadAccess(m_generator.get()))));
+    thread->defaultTaskRunner()->postTask(FROM_HERE, new Task(threadSafeBind(&decodeThreadMain, AllowCrossThreadAccess(m_generator.get()))));
     thread.clear();
     EXPECT_EQ(2, m_decodeRequestCount);
     EXPECT_EQ(1, m_decodersDestroyed);
 
     // Decoder created again.
     m_generator->decodeAndScale(imageInfo(), 0, buffer, 100 * 4);
     EXPECT_EQ(3, m_decodeRequestCount);
 }
 
 TEST_F(ImageFrameGeneratorTest, frameHasAlpha)
@@ skipping 36 matching lines @@
 
     setFrameStatus(ImageFrame::FrameComplete);
 
     // Multi frame decoder should be removed.
     m_generator->decodeAndScale(imageInfo(), 2, buffer, 100 * 4);
     EXPECT_EQ(3, m_decodeRequestCount);
     EXPECT_EQ(1, m_decodersDestroyed);
 }
 
 } // namespace blink