Index: content/common/gpu/gpu_messages.h |
diff --git a/content/common/gpu/gpu_messages.h b/content/common/gpu/gpu_messages.h |
index c586453eec19a916774d2a01e909c7f354eed190..b04e2810033215aa8e74f6da84576ea0beb778a9 100644 |
--- a/content/common/gpu/gpu_messages.h |
+++ b/content/common/gpu/gpu_messages.h |
@@ -477,6 +477,10 @@ 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 |