Defered collect DirectX diagnostics until they are needed for about:gpu....

chrome/browser/gpu_process_host_ui_shim.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/gpu_process_host_ui_shim.h"
 
 #include "chrome/browser/browser_thread.h"
 #include "chrome/browser/gpu_process_host.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
@@ skipping 64 matching lines @@
 
 bool GpuProcessHostUIShim::OnMessageReceived(const IPC::Message& message) {
   DCHECK(CalledOnValidThread());
 
   if (message.routing_id() == MSG_ROUTING_CONTROL)
     return OnControlMessageReceived(message);
 
   return router_.RouteMessage(message);
 }
 
-void GpuProcessHostUIShim::CollectGraphicsInfoAsynchronously() {
+void GpuProcessHostUIShim::CollectGraphicsInfoAsynchronously(
+    GPUInfo::Level level) {
   DCHECK(CalledOnValidThread());
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
-      new SendOnIOThreadTask(new GpuMsg_CollectGraphicsInfo()));
+      new SendOnIOThreadTask(new GpuMsg_CollectGraphicsInfo(level)));
 }
 
 void GpuProcessHostUIShim::SendAboutGpuCrash() {
   DCHECK(CalledOnValidThread());
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       new SendOnIOThreadTask(new GpuMsg_Crash()));
 }
 
@@ skipping 152 matching lines @@
 #elif defined(OS_WIN)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuHostMsg_GetCompositorHostWindow,
                                     OnGetCompositorHostWindow)
     IPC_MESSAGE_HANDLER(GpuHostMsg_ScheduleComposite, OnScheduleComposite);
 #endif
     IPC_MESSAGE_UNHANDLED_ERROR()
   IPC_END_MESSAGE_MAP()
 
   return true;
 }