Add calls to inform gpu of browser window count

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index e5042343963c218a1a9cbff87e8e1a0db0d2463e..9607fd28b122c04be75819a81de0594723658309 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -34,6 +34,7 @@
 #include "chrome/browser/browser_process_impl.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chrome_browser_main_extra_parts.h"
+#include "chrome/browser/chrome_gpu_util.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/extension_protocols.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ -1394,6 +1395,9 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
   std::vector<Profile*> last_opened_profiles =
       g_browser_process->profile_manager()->GetLastOpenedProfiles();
 #endif
+
+  gpu_util::InitializeBrowserMonitor();
+
   if (browser_creator_->Start(parsed_command_line(), FilePath(),
                               profile_, last_opened_profiles, &result_code)) {
 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))