Fix Clang build by removing unused function.

chrome/browser/browser.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 157 matching lines @@
 const float kPopupMaxHeightFactor = 0.6;
 #endif
 
 // Returns true if the specified TabContents has unload listeners registered.
 bool TabHasUnloadListener(TabContents* contents) {
   return contents->notify_disconnection() &&
       !contents->showing_interstitial_page() &&
       !contents->render_view_host()->SuddenTerminationAllowed();
 }
 
-// Returns true if two URLs are equal ignoring their ref (hash fragment).
-bool CompareURLsIgnoreRef(const GURL& url, const GURL& other) {
-  if (url == other)
-    return true;
-  // If neither has a ref than there is no point in stripping the refs and
-  // the URLs are different since the comparison failed in the previous if
-  // statement.
-  if (!url.has_ref() && !other.has_ref())
-    return false;
-  url_canon::Replacements<char> replacements;
-  replacements.ClearRef();
-  GURL url_no_ref = url.ReplaceComponents(replacements);
-  GURL other_no_ref = other.ReplaceComponents(replacements);
-  return url_no_ref == other_no_ref;
-}
-
 }  // namespace
 
 extern bool g_log_bug53991;
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Constructors, Creation, Showing:
 
 Browser::Browser(Type type, Profile* profile)
     : type_(type),
       profile_(profile),
@@ skipping 3876 matching lines @@
   NOTREACHED();
   return false;
 }
 
 void Browser::CreateInstantIfNecessary() {
   if (type() == TYPE_NORMAL && InstantController::IsEnabled(profile()) &&
       !profile()->IsOffTheRecord()) {
     instant_.reset(new InstantController(profile_, this));
   }
 }