| Index: cc/switches.cc | 
| diff --git a/cc/switches.cc b/cc/switches.cc | 
| index ee119bc1362469425353298d80679250233c7bf0..2cbb459a7ed85ce984827065dd2aab8471676a10 100644 | 
| --- a/cc/switches.cc | 
| +++ b/cc/switches.cc | 
| @@ -14,6 +14,9 @@ const char kBackgroundColorInsteadOfCheckerboard[] = | 
|  | 
| const char kDisableThreadedAnimation[]      = "disable-threaded-animation"; | 
|  | 
| +// Send a message for every frame from the impl thread to the parent compositor. | 
| +const char kEnableCompositorFrameMessage[] = "enable-compositor-frame-message"; | 
| + | 
| // Paint content on the compositor thread instead of the main thread. | 
| const char kEnableImplSidePainting[] = "enable-impl-side-painting"; | 
|  | 
|  |