Index: content/common/gpu/gpu_messages.h |
diff --git a/content/common/gpu/gpu_messages.h b/content/common/gpu/gpu_messages.h |
index 49a26501a2e86a9e4d7ed54dfa48851557d9e20d..3abb5ff256dd51b08307db36944ffc798848f6af 100644 |
--- a/content/common/gpu/gpu_messages.h |
+++ b/content/common/gpu/gpu_messages.h |
@@ -305,6 +305,13 @@ IPC_MESSAGE_CONTROL0(GpuMsg_Hang) |
// Tells the GPU process to disable the watchdog thread. |
IPC_MESSAGE_CONTROL0(GpuMsg_DisableWatchdog) |
+#if defined(TOOLKIT_GTK) |
+// Tells the GPU process that a surface has enabled or disabled compositing. |
+IPC_MESSAGE_CONTROL2(GpuMsg_AcceleratedCompositingStateChange, |
+ int32 , /* surface_id */ |
+ bool /* compositing_active */) |
+#endif |
+ |
//------------------------------------------------------------------------------ |
// GPU Host Messages |
// These are messages to the browser. |