Disable 2D canvas switch to CPU rendering while backgrounded

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 636 matching lines @@
 {
     OwnPtr<WaitableEvent> doneEvent = adoptPtr(new WaitableEvent());
     testThread->getWebTaskRunner()->postTask(
         location,
         threadSafeBind(&runRenderingTask,
             AllowCrossThreadAccess(bridge),
             AllowCrossThreadAccess(doneEvent.get())));
     doneEvent->wait();
 }
 
-#if CANVAS2D_HIBERNATION_ENABLED
+#if CANVAS2D_HIBERNATION_ENABLED && CANVAS2D_BACKGROUND_RENDER_SWITCH_TO_CPU
 TEST_F(Canvas2DLayerBridgeTest, BackgroundRenderingWhileHibernating)
 #else
 TEST_F(Canvas2DLayerBridgeTest, DISABLED_BackgroundRenderingWhileHibernating)
 #endif
 {
     MockCanvasContext mainMock;
     MockGLES2Interface mockGL;
     OwnPtr<WebThread> testThread = adoptPtr(Platform::current()->createThread("TestThread"));
 
     // The Canvas2DLayerBridge has to be created on the thread that will use it
@@ skipping 33 matching lines @@
     EXPECT_FALSE(bridge->isHibernating());
     EXPECT_TRUE(bridge->checkSurfaceValid());
 
     // Tear down the bridge on the thread so that 'bridge' can go out of scope
     // without crashing due to thread checks
     postAndWaitDestroyBridgeTask(BLINK_FROM_HERE, testThread.get(), &bridge);
 
     ::testing::Mock::VerifyAndClearExpectations(&mainMock);
 }
 
-#if CANVAS2D_HIBERNATION_ENABLED
+#if CANVAS2D_HIBERNATION_ENABLED && CANVAS2D_BACKGROUND_RENDER_SWITCH_TO_CPU
 TEST_F(Canvas2DLayerBridgeTest, BackgroundRenderingWhileHibernatingWithDeferredRenderingDisabled)
 #else
 TEST_F(Canvas2DLayerBridgeTest, DISABLED_BackgroundRenderingWhileHibernatingWithDeferredRenderingDisabled)
 #endif
 {
     MockCanvasContext mainMock;
     MockGLES2Interface mockGL;
     OwnPtr<WebThread> testThread = adoptPtr(Platform::current()->createThread("TestThread"));
 
     // The Canvas2DLayerBridge has to be created on the thread that will use it
@@ skipping 41 matching lines @@
     EXPECT_TRUE(bridge->isAccelerated()); // Becoming visible causes switch back to GPU
     EXPECT_FALSE(bridge->isHibernating());
     EXPECT_TRUE(bridge->checkSurfaceValid());
 
     // Tear down the bridge on the thread so that 'bridge' can go out of scope
     // without crashing due to thread checks
     EXPECT_CALL(mockImageBuffer, resetCanvas(_)).Times(AnyNumber());
     postAndWaitDestroyBridgeTask(BLINK_FROM_HERE, testThread.get(), &bridge);
 }
 
-#if CANVAS2D_HIBERNATION_ENABLED
+#if CANVAS2D_HIBERNATION_ENABLED && CANVAS2D_BACKGROUND_RENDER_SWITCH_TO_CPU
 TEST_F(Canvas2DLayerBridgeTest, DisableDeferredRenderingWhileHibernating)
 #else
 TEST_F(Canvas2DLayerBridgeTest, DISABLED_DisableDeferredRenderingWhileHibernating)
 #endif
 {
     MockCanvasContext mainMock;
     MockGLES2Interface mockGL;
     OwnPtr<WebThread> testThread = adoptPtr(Platform::current()->createThread("TestThread"));
 
     // The Canvas2DLayerBridge has to be created on the thread that will use it
@@ skipping 294 matching lines @@
     WebExternalTextureMailbox mailbox;
     EXPECT_FALSE(bridge->prepareMailbox(&mailbox, 0));
     EXPECT_TRUE(bridge->checkSurfaceValid());
 
     // Tear down the bridge on the thread so that 'bridge' can go out of scope
     // without crashing due to thread checks
     EXPECT_CALL(*mockLoggerPtr, reportHibernationEvent(Canvas2DLayerBridge::HibernationEndedWithTeardown));
     postAndWaitDestroyBridgeTask(BLINK_FROM_HERE, testThread.get(), &bridge);
 }
 
-#if CANVAS2D_HIBERNATION_ENABLED
+#if CANVAS2D_HIBERNATION_ENABLED && CANVAS2D_BACKGROUND_RENDER_SWITCH_TO_CPU
 TEST_F(Canvas2DLayerBridgeTest, PrepareMailboxWhileBackgroundRendering)
 #else
 TEST_F(Canvas2DLayerBridgeTest, DISABLED_PrepareMailboxWhileBackgroundRendering)
 #endif
 {
     MockCanvasContext mainMock;
     MockGLES2Interface mockGL;
     OwnPtr<WebThread> testThread = adoptPtr(Platform::current()->createThread("TestThread"));
 
     // The Canvas2DLayerBridge has to be created on the thread that will use it
@@ skipping 27 matching lines @@
     WebExternalTextureMailbox mailbox;
     EXPECT_FALSE(bridge->prepareMailbox(&mailbox, 0));
     EXPECT_TRUE(bridge->checkSurfaceValid());
 
     // Tear down the bridge on the thread so that 'bridge' can go out of scope
     // without crashing due to thread checks
     postAndWaitDestroyBridgeTask(BLINK_FROM_HERE, testThread.get(), &bridge);
 }
 
 } // namespace blink