Add IPC to allow gpu process to send message for console back to renderer

content/renderer/gpu/command_buffer_proxy.cc

Index: content/renderer/gpu/command_buffer_proxy.cc
diff --git a/content/renderer/gpu/command_buffer_proxy.cc b/content/renderer/gpu/command_buffer_proxy.cc
index d51f840c8166cae9a6af178c13456ed6f6f159af..5594970aed9f92360fb3795d0639d4a244db6008 100644
--- a/content/renderer/gpu/command_buffer_proxy.cc
+++ b/content/renderer/gpu/command_buffer_proxy.cc
@@ -49,6 +49,7 @@ bool CommandBufferProxy::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_NotifyRepaint,
                         OnNotifyRepaint);
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_EchoAck, OnEchoAck);
+    IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_ConsoleMsg, OnConsoleMessage);
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
@@ -87,6 +88,13 @@ void CommandBufferProxy::OnEchoAck() {
   callback.Run();
 }
 
+void CommandBufferProxy::OnConsoleMessage(
+    const GPUCommandBufferConsoleMessage& message) {
+  // TODO(gman): Pass this on to the console.
+  DLOG(INFO) << "CONSOLE_MESSAGE: "
+             << message.id << " : " << message.message;
+}
+
 void CommandBufferProxy::SetChannelErrorCallback(
     const base::Closure& callback) {
   channel_error_callback_ = callback;