Revert 151036 - Speculative revert to see if this change introduced a performance regression on Mac…

chrome/browser/ui/browser_finder.h

Index: chrome/browser/ui/browser_finder.h
===================================================================
--- chrome/browser/ui/browser_finder.h	(revision 151481)
+++ chrome/browser/ui/browser_finder.h	(working copy)
@@ -52,14 +52,6 @@
 // |web_contents| must not be NULL.
 Browser* FindBrowserWithWebContents(const content::WebContents* web_contents);
 
-// Returns the Browser which contains the tab with the given
-// NavigationController, also filling in |index| (if valid) with the tab's index
-// in the tab strip.  Returns NULL if not found.  This call is O(N) in the
-// number of tabs.
-Browser* FindBrowserForController(
-    const content::NavigationController* controller,
-    int* index);
-
 // Identical in behavior to BrowserList::GetLastActive(), except that the most
 // recently open browser owned by |profile| is returned. If none exist, returns
 // NULL.  WARNING: see warnings in BrowserList::GetLastActive().