Remaining code for basic tile compression functionality.

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 579ee33af6cf888588cdfe22a4046e559f0ed823..20b9dbbfaca1fd6868fda51e59de2dcdb0b3f836 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -372,6 +372,9 @@ void RenderWidgetCompositor::Initialize() {
   settings.strict_layer_property_change_checking =
       cmd->HasSwitch(cc::switches::kStrictLayerPropertyChangeChecking);
 
+  settings.renderer_settings.use_tile_compression =
+      cmd->HasSwitch(cc::switches::kEnableTileCompression);
+
 #if defined(OS_ANDROID)
   SynchronousCompositorFactory* synchronous_compositor_factory =
       SynchronousCompositorFactory::GetInstance();