Make focus-existing-tab-on-open multi-profile-aware.

chrome/browser/ui/browser_list.h

Index: chrome/browser/ui/browser_list.h
===================================================================
--- chrome/browser/ui/browser_list.h	(revision 88539)
+++ chrome/browser/ui/browser_list.h	(working copy)
@@ -154,6 +154,9 @@
     return last_active_browsers_.rend();
   }
 
+  // Returns vector of open browsers associated with |profile|.
+  static std::vector<Browser*> GetBrowsersWithProfile(Profile* profile);
+
   // Return the number of browsers with the following profile which are
   // currently open.
   static size_t GetBrowserCount(Profile* profile);