Report texture upload time in renderingStats.

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index 52ea50ca00455b0590602744945662130ee4f8f8..e76fb1bbbb741786531f83668bd355fcad725ba7 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -400,6 +400,8 @@ bool GpuChannel::OnControlMessageReceived(const IPC::Message& msg) {
     IPC_MESSAGE_HANDLER(GpuChannelMsg_EstablishStreamTexture,
                         OnEstablishStreamTexture)
 #endif
+    IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuChannelMsg_CollectRenderingStats,
+                                    OnCollectRenderingStats)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   DCHECK(handled) << msg.type();
@@ -537,3 +539,26 @@ void GpuChannel::OnEstablishStreamTexture(
 }
 #endif
 
+void GpuChannel::OnCollectRenderingStats(IPC::Message* reply_message) {
+  content::GpuRenderingStats stats;
+
+#if defined(ENABLE_GPU)
+  for (StubMap::Iterator<GpuCommandBufferStub> it(&stubs_);
+       !it.IsAtEnd(); it.Advance()) {
+
+    // Ignore offscreen command buffers.
+    if (!it.GetCurrentValue()->surface_id())
+      continue;
+
+    stats.textureUploadCount +=
+        it.GetCurrentValue()->decoder()->GetTextureUploadCount();
+    stats.totalTextureUploadTimeInSeconds +=
+        it.GetCurrentValue()->decoder()->GetTotalTextureUploadTimeInSeconds();
+  }
+#endif  // defined (ENABLE_GPU)
+
+  GpuChannelMsg_CollectRenderingStats::WriteReplyParams(
+      reply_message,
+      stats);
+  Send(reply_message);
+}