Introduce WebTaskRunner Patch 3/5

Source/platform/graphics/DeferredImageDecoderTest.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 208 matching lines @@
     EXPECT_EQ(1, image->height());
 
     SkPictureRecorder recorder;
     SkCanvas* tempCanvas = recorder.beginRecording(100, 100, 0, 0);
     tempCanvas->drawImage(image.get(), 0, 0);
     RefPtr<SkPicture> picture = adoptRef(recorder.endRecording());
     EXPECT_EQ(0, m_decodeRequestCount);
 
     // Create a thread to rasterize SkPicture.
     OwnPtr<WebThread> thread = adoptPtr(Platform::current()->createThread("RasterThread"));
-    thread->postTask(FROM_HERE, new Task(threadSafeBind(&rasterizeMain, AllowCrossThreadAccess(m_surface->getCanvas()), AllowCrossThreadAccess(picture.get()))));
+    thread->taskRunner()->postTask(FROM_HERE, new Task(threadSafeBind(&rasterizeMain, AllowCrossThreadAccess(m_surface->getCanvas()), AllowCrossThreadAccess(picture.get()))));
     thread.clear();
     EXPECT_EQ(0, m_decodeRequestCount);
 
     SkBitmap canvasBitmap;
     canvasBitmap.allocN32Pixels(100, 100);
     ASSERT_TRUE(m_surface->getCanvas()->readPixels(&canvasBitmap, 0, 0));
     SkAutoLockPixels autoLock(canvasBitmap);
     EXPECT_EQ(SkColorSetARGB(255, 255, 255, 255), canvasBitmap.getColor(0, 0));
 }
 
@@ skipping 120 matching lines @@
     // After decoding, the frame is known to be opaque.
     frame = decoder->createFrameAtIndex(0);
     ASSERT_TRUE(frame);
     EXPECT_TRUE(frame->isOpaque());
 
     // Re-generating the opaque-marked frame should not fail.
     EXPECT_TRUE(frame->readPixels(pixels, 0, 0));
 }
 
 } // namespace blink