Removed usage of RefPtr::Release in unit tests

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridgeTest.cpp

 /*
  * Copyright (C) 2011 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 109 matching lines @@
 class Canvas2DLayerBridgeTest : public Test {
  public:
   PassRefPtr<Canvas2DLayerBridge> MakeBridge(
       std::unique_ptr<FakeWebGraphicsContext3DProvider> provider,
       const IntSize& size,
       Canvas2DLayerBridge::AccelerationMode acceleration_mode) {
     RefPtr<Canvas2DLayerBridge> bridge = AdoptRef(
         new Canvas2DLayerBridge(std::move(provider), size, 0, kNonOpaque,
                                 acceleration_mode, CanvasColorParams()));
     bridge->DontUseIdleSchedulingForTesting();
-    return bridge.Release();
+    return bridge;
   }
 
  protected:
   void FullLifecycleTest() {
     FakeGLES2Interface gl;
     std::unique_ptr<FakeWebGraphicsContext3DProvider> context_provider =
         WTF::WrapUnique(new FakeWebGraphicsContext3DProvider(&gl));
 
     Canvas2DLayerBridgePtr bridge(AdoptRef(new Canvas2DLayerBridge(
         std::move(context_provider), IntSize(300, 150), 0, kNonOpaque,
@@ skipping 1237 matching lines @@
   EXPECT_FALSE(bridge->HasRecordedDrawCommands());
   ::testing::Mock::VerifyAndClearExpectations(&gl);
 
   EXPECT_CALL(gl, Flush()).Times(1);
   bridge->FlushGpu();
   EXPECT_FALSE(bridge->HasRecordedDrawCommands());
   ::testing::Mock::VerifyAndClearExpectations(&gl);
 }
 
 }  // namespace blink