Restart in Desktop if Metro tries to start up without GPU

chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc

Index: chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc
diff --git a/chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc b/chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc
index b059916ec975cd3bf95c137f1b231a223481626c..50d6c50748bc994fe3ef79302cde5e2e44f08735 100644
--- a/chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc
+++ b/chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc
@@ -4,12 +4,15 @@
 
 #include "chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
 
+#include <atlbase.h>

[cpu_(ooo_6.6-7.5), 2013/11/04 19:17:02]

please no ATL. Does our LOG() not work in this case? or you can use
OutputdebugStringA.

[scottmg, 2013/11/04 23:05:44]

Done.

+
 #include "ash/shell.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part_aurawin.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/search_engines/util.h"
 #include "chrome/browser/ui/ash/ash_init.h"
@@ -21,6 +24,7 @@
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/env_vars.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/gpu_data_manager.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/web_contents.h"
@@ -94,6 +98,12 @@ void ChromeMetroViewerProcessHost::OnChannelConnected(int32 /*peer_pid*/) {
   // Set environment variable to let breakpad know that metro process was
   // connected.
   ::SetEnvironmentVariableA(env_vars::kMetroConnected, "1");
+
+  if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
+    AtlTrace("%hs: No GPU access, attempting to restart in Desktop\n",
+             __FUNCTION__);
+    chrome::AttemptRestartToDesktopMode();
+  }
 }
 
 void ChromeMetroViewerProcessHost::OnSetTargetSurface(