cc: Add initial GPU-to-GPU copy rasterizer implementation.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index e6ae6ce4749c2597ebb8b5da97d704bac4962b70..6d58b519e0df9080a803943c1753c19207276fcf 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -148,7 +148,8 @@ scoped_ptr<RenderWidgetCompositor> RenderWidgetCompositor::Create(
       settings.rasterization_site = cc::LayerTreeSettings::CpuRasterization;
     settings.create_low_res_tiling = render_thread->is_low_res_tiling_enabled();
     settings.can_use_lcd_text = render_thread->is_lcd_text_enabled();
-    settings.use_map_image = render_thread->is_map_image_enabled();
+    settings.use_zero_copy = render_thread->is_zero_copy_enabled();
+    settings.use_one_copy = render_thread->is_one_copy_enabled();
   }
 
   settings.calculate_top_controls_position =