Temporarily disabling 2d canvas getImageData optimization

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 
 #include "core/fetch/MemoryCache.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/html/HTMLCanvasElement.h"
@@ skipping 765 matching lines @@
     canvasElement().createImageBufferUsingSurfaceForTesting(std::move(surface));
 
     EXPECT_TRUE(bridge->isAccelerated());
     EXPECT_EQ(1u, getGlobalAcceleratedImageBufferCount());
     EXPECT_EQ(720000, getGlobalGPUMemoryUsage());
 
     TrackExceptionState exceptionState;
     context2d()->getImageData(0, 0, 1, 1, exceptionState);
 
     EXPECT_FALSE(exceptionState.hadException());
-    EXPECT_FALSE(bridge->isAccelerated());
-    EXPECT_EQ(0u, getGlobalAcceleratedImageBufferCount());
-    EXPECT_EQ(0, getGlobalGPUMemoryUsage());
+    if (ExpensiveCanvasHeuristicParameters::GetImageDataForcesNoAcceleration) {
+        EXPECT_FALSE(bridge->isAccelerated());
+        EXPECT_EQ(0u, getGlobalAcceleratedImageBufferCount());
+        EXPECT_EQ(0, getGlobalGPUMemoryUsage());
+    } else {
+        EXPECT_TRUE(bridge->isAccelerated());
+        EXPECT_EQ(1u, getGlobalAcceleratedImageBufferCount());
+        EXPECT_EQ(720000, getGlobalGPUMemoryUsage());
+    }
 
     // Restore global state to prevent side-effects on other tests
     RuntimeEnabledFeatures::setCanvas2dFixedRenderingModeEnabled(savedFixedRenderingMode);
 }
 
 } // namespace blink