Report texture upload time in renderingStats.

content/common/gpu/gpu_channel.h

Index: content/common/gpu/gpu_channel.h
diff --git a/content/common/gpu/gpu_channel.h b/content/common/gpu/gpu_channel.h
index 30f967f0881b38cdcd6582e90fa77a1ae011c706..12ede695f06002cedc48bf614884654d21da7218 100644
--- a/content/common/gpu/gpu_channel.h
+++ b/content/common/gpu/gpu_channel.h
@@ -157,6 +157,10 @@ class GpuChannel : public IPC::Listener,
       int32 primary_id, int32 secondary_id);
 #endif
 
+  // Collect rendering stats.
+  void OnCollectRenderingStatsForSurface(
+      int32 surface_id, IPC::Message* reply_message);
+
   // The lifetime of objects of this class is managed by a GpuChannelManager.
   // The GpuChannelManager destroy all the GpuChannels that they own when they
   // are destroyed. So a raw pointer is safe.