Add custom icon support to GlobalError. Show extension icon in permissions increase bubble.

chrome/browser/ui/global_error/global_error.cc

Index: chrome/browser/ui/global_error/global_error.cc
diff --git a/chrome/browser/ui/global_error/global_error.cc b/chrome/browser/ui/global_error/global_error.cc
index fce33ef384749b15f8e30ab461166dca579d443e..7d2ffecf36ceb17190dc3a21d21d934a4809a37b 100644
--- a/chrome/browser/ui/global_error/global_error.cc
+++ b/chrome/browser/ui/global_error/global_error.cc
@@ -45,12 +45,6 @@ GlobalErrorBubbleViewBase* GlobalError::GetBubbleView() {
   return bubble_view_;
 }
 
-int GlobalError::GetBubbleViewIconResourceID() {
-  // If you change this make sure to also change the menu icon and the wrench
-  // icon color.
-  return IDR_INPUT_ALERT;
-}
-
 void GlobalError::BubbleViewDidClose(Browser* browser) {
   DCHECK(browser);
   bubble_view_ = NULL;