Add a flag to disable partial raster in renderer

content/test/fake_compositor_dependencies.cc

 // 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 "content/test/fake_compositor_dependencies.h"
 
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/test/fake_external_begin_frame_source.h"
 #include "third_party/khronos/GLES2/gl2.h"
@@ skipping 24 matching lines @@
 }
 
 bool FakeCompositorDependencies::IsDistanceFieldTextEnabled() {
   return false;
 }
 
 bool FakeCompositorDependencies::IsZeroCopyEnabled() {
   return true;
 }
 
-bool FakeCompositorDependencies::IsPersistentGpuMemoryBufferEnabled() {
+bool FakeCompositorDependencies::IsPartialRasterEnabled() {
   return false;
 }
 
 bool FakeCompositorDependencies::IsElasticOverscrollEnabled() {
   return false;
 }
 std::vector<unsigned> FakeCompositorDependencies::GetImageTextureTargets() {
   return std::vector<unsigned>(static_cast<size_t>(gfx::BufferFormat::LAST) + 1,
                                GL_TEXTURE_2D);
 }
@@ skipping 40 matching lines @@
 
 bool FakeCompositorDependencies::AreImageDecodeTasksEnabled() {
   return false;
 }
 
 bool FakeCompositorDependencies::IsThreadedAnimationEnabled() {
   return true;
 }
 
 }  // namespace content