Implement will-change-based GPU rasterization hint

Source/web/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 464 matching lines @@
 void WebSettingsImpl::setCompositorDrivenAcceleratedScrollingEnabled(bool enabled)
 {
     m_settings->setCompositorDrivenAcceleratedScrollingEnabled(enabled);
 }
 
 void WebSettingsImpl::setAcceleratedCompositingForFixedRootBackgroundEnabled(bool enabled)
 {
     m_settings->setAcceleratedCompositingForFixedRootBackgroundEnabled(enabled);
 }
 
+void WebSettingsImpl::setAcceleratedCompositingForGpuRasterizationHintEnabled(bool enabled)
+{
+    m_settings->setAcceleratedCompositingForGpuRasterizationHintEnabled(enabled);
+}
+
 void WebSettingsImpl::setAcceleratedCompositingForPluginsEnabled(bool enabled)
 {
     m_settings->setAcceleratedCompositingForPluginsEnabled(enabled);
 }
 
 void WebSettingsImpl::setAcceleratedCompositingForCanvasEnabled(bool enabled)
 {
     m_settings->setAcceleratedCompositingForCanvasEnabled(enabled);
 }
 
@@ skipping 262 matching lines @@
 {
     m_settings->setUseSolidColorScrollbars(enabled);
 }
 
 void WebSettingsImpl::setMainFrameResizesAreOrientationChanges(bool enabled)
 {
     m_mainFrameResizesAreOrientationChanges = enabled;
 }
 
 } // namespace blink