Send compositor frame IPC with metadata.

cc/layer_tree_settings.cc

Index: cc/layer_tree_settings.cc
diff --git a/cc/layer_tree_settings.cc b/cc/layer_tree_settings.cc
index 4ef2b7b7856d685fa953819ca9967806d9037c3d..4221167c29fa139a0ed67d473ea6deccda6bc79e 100644
--- a/cc/layer_tree_settings.cc
+++ b/cc/layer_tree_settings.cc
@@ -15,6 +15,7 @@ namespace cc {
 
 LayerTreeSettings::LayerTreeSettings()
     : acceleratePainting(false)
+    , compositorFrameMessage(false)
     , implSidePainting(false)
     , renderVSyncEnabled(true)
     , perTilePaintingEnabled(false)
@@ -33,6 +34,7 @@ LayerTreeSettings::LayerTreeSettings()
     , minimumOcclusionTrackingSize(gfx::Size(160, 160))
 {
     // TODO(danakj): Move this to chromium when we don't go through the WebKit API anymore.
+    compositorFrameMessage = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kEnableCompositorFrameMessage);
     implSidePainting = CommandLine::ForCurrentProcess()->HasSwitch(cc::switches::kEnableImplSidePainting);
     partialSwapEnabled = CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePartialSwap);
     backgroundColorInsteadOfCheckerboard = CommandLine::ForCurrentProcess()->HasSwitch(switches::kBackgroundColorInsteadOfCheckerboard);