Delete memory manager dead code.

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 611a849c564a07bad99ab108795c759179baaef2..6fdb7792533c7c1fd6b244edbd5837ccc4021bb5 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -1052,9 +1052,6 @@ void ChromeBrowserMainParts::PostProfileInit() {
 void ChromeBrowserMainParts::PreBrowserStart() {
   for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
     chrome_extra_parts_[i]->PreBrowserStart();
-#if !defined(OS_ANDROID)
-  gpu_util::InstallBrowserMonitor();
-#endif
 
   three_d_observer_.reset(new ThreeDAPIObserver());
 }
@@ -1702,10 +1699,6 @@ void ChromeBrowserMainParts::PostMainMessageLoopRun() {
   for (size_t i = 0; i < chrome_extra_parts_.size(); ++i)
     chrome_extra_parts_[i]->PostMainMessageLoopRun();
 
-#if !defined(OS_ANDROID)
-  gpu_util::UninstallBrowserMonitor();
-#endif
-
 #if defined(OS_WIN)
   // Log the search engine chosen on first run. Do this at shutdown, after any
   // changes are made from the first run bubble link, etc.