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 27723fcb615d34f077133e29699900bfd89837b6..4ed95647a58f5161ccd7941c0b0e36d8e929c0be 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)
@@ -32,6 +33,7 @@ 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);