Add a flag for enabling compositor property trees

cc/base/switches.h

Index: cc/base/switches.h
diff --git a/cc/base/switches.h b/cc/base/switches.h
index d72b250bada293d3b43d0fc4f0f9d7134ac85236..bd5b2eb78bfb0ad46ef9496bc288a3d3397ff268 100644
--- a/cc/base/switches.h
+++ b/cc/base/switches.h
@@ -30,6 +30,7 @@ CC_EXPORT extern const char kEnablePropertyTreeVerification[];
 // Switches for both the renderer and ui compositors.
 CC_EXPORT extern const char kEnableBeginFrameScheduling[];
 CC_EXPORT extern const char kEnableGpuBenchmarking[];
+CC_EXPORT extern const char kEnableCompositorPropertyTrees[];

[piman, 2015/11/04 22:57:33]

To confirm, this is something that you want to enable on all compositors
simultaneously? It only affects the internals of CC and doesn't have any
observable API impact?

 
 // Debug visualizations.
 CC_EXPORT extern const char kShowCompositedLayerBorders[];