mac: Prepare for -Wunused-functions.

chrome/browser/extensions/extension_toolbar_model.cc

 // Copyright (c) 2012 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/extensions/extension_toolbar_model.h"
 
 #include <string>
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 12 matching lines @@
 #include "chrome/common/extensions/feature_switch.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 
 using extensions::Extension;
 using extensions::ExtensionIdList;
 using extensions::ExtensionList;
 
-namespace {
-
-// Returns true if an |extension| is in an |extension_list|.
-bool IsInExtensionList(const Extension* extension,
-                       const extensions::ExtensionList& extension_list) {
-  for (size_t i = 0; i < extension_list.size(); i++) {
-    if (extension_list[i].get() == extension)
-      return true;
-  }
-  return false;
-}
-
-}  // namespace
-
 bool ExtensionToolbarModel::Observer::BrowserActionShowPopup(
     const extensions::Extension* extension) {
   return false;
 }
 
 ExtensionToolbarModel::ExtensionToolbarModel(ExtensionService* service)
     : service_(service),
       prefs_(service->profile()->GetPrefs()),
       extensions_initialized_(false),
       weak_ptr_factory_(this) {
@@ skipping 413 matching lines @@
     const extensions::Extension* extension) {
   ObserverListBase<Observer>::Iterator it(observers_);
   Observer* obs = NULL;
   while ((obs = it.GetNext()) != NULL) {
     // Stop after first popup since it should only show in the active window.
     if (obs->BrowserActionShowPopup(extension))
       return true;
   }
   return false;
 }