Index: content/common/gpu/gpu_channel_manager.cc |
diff --git a/content/common/gpu/gpu_channel_manager.cc b/content/common/gpu/gpu_channel_manager.cc |
index 3d98e58e7292bc3f3cd18a0253dabe647897ca68..cb26cf21072daac96c32490d20a777aed2f8e494 100644 |
--- a/content/common/gpu/gpu_channel_manager.cc |
+++ b/content/common/gpu/gpu_channel_manager.cc |
@@ -59,6 +59,8 @@ class GpuChannelManagerMessageFilter : public IPC::MessageFilter { |
protected: |
~GpuChannelManagerMessageFilter() override {} |
+ // GPU IO thread bounces off GpuMsg_CreateGpuMemoryBuffer message, because |
+ // the UI thread in the browser process must remain fast at all times. |
void OnCreateGpuMemoryBuffer( |
const GpuMsg_CreateGpuMemoryBuffer_Params& params) { |
TRACE_EVENT2("gpu", |