Index: content/common/gpu/gpu_messages.h |
diff --git a/content/common/gpu/gpu_messages.h b/content/common/gpu/gpu_messages.h |
index 008beee69566ae1fcad4ce0c4dad2ba5d82cbca5..d2d65d93e92b08327b98689aa2dfadd90f764f85 100644 |
--- a/content/common/gpu/gpu_messages.h |
+++ b/content/common/gpu/gpu_messages.h |
@@ -480,6 +480,10 @@ IPC_SYNC_MESSAGE_CONTROL3_1(GpuChannelMsg_CreateOffscreenCommandBuffer, |
IPC_SYNC_MESSAGE_CONTROL1_0(GpuChannelMsg_DestroyCommandBuffer, |
int32 /* instance_id */) |
+// Simple NOP message which can be used as fence to ensure all previous sent |
+// messages have been received. |
+IPC_SYNC_MESSAGE_CONTROL0_0(GpuChannelMsg_Nop) |
+ |
#if defined(OS_ANDROID) |
//------------------------------------------------------------------------------ |
// Stream Texture Messages |