Revert 151104 - Re-revert part of my previous cl r151036 to see if this is the...

Revert 151104 - Re-revert part of my previous cl r151036 to see if this is the line that caused the regression.

http://crbug.com/133762
TBR=sky@chromium.org
TEST=
http://build.chromium.org/f/chromium/perf/mac-release-10.6/intl1/report.html?history=150&rev=-1
Review URL: https://chromiumcodereview.appspot.com/10831267

TBR=ben@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10829287

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@151112 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/browser_tab_restore_service_delegate.cc

@@ -103,11 +103,7 @@ TabRestoreServiceDelegate* TabRestoreServiceDelegate::Create(
 TabRestoreServiceDelegate* TabRestoreServiceDelegate::FindDelegateForController(
     const NavigationController* controller,
     int* index) {
-  // TODO(beng): Remove. Used just to see if this function is 2% slower than
-  // FindBrowserForController on Mac 10.6 intl1
-  Browser* browser = browser::FindBrowserWithWebContents(
-      controller->GetWebContents());
-  // Browser* browser = browser::FindBrowserForController(controller, index);
+  Browser* browser = browser::FindBrowserForController(controller, index);
   if (browser)
     return browser->tab_restore_service_delegate();
   else