Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/browser/extensions/extension_context_menu_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_context_menu_model.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/extension_action.h"
@@ skipping 151 matching lines @@
 
   extensions::ExtensionActionManager* extension_action_manager =
       extensions::ExtensionActionManager::Get(profile_);
   extension_action_ = extension_action_manager->GetBrowserAction(*extension);
   if (!extension_action_)
     extension_action_ = extension_action_manager->GetPageAction(*extension);
 
   std::string extension_name = extension->name();
   // Ampersands need to be escaped to avoid being treated like
   // mnemonics in the menu.
-  ReplaceChars(extension_name, "&", "&&", &extension_name);
+  base::ReplaceChars(extension_name, "&", "&&", &extension_name);
   AddItem(NAME, UTF8ToUTF16(extension_name));
   AddSeparator(ui::NORMAL_SEPARATOR);
   AddItemWithStringId(CONFIGURE, IDS_EXTENSIONS_OPTIONS_MENU_ITEM);
   AddItem(UNINSTALL, l10n_util::GetStringUTF16(IDS_EXTENSIONS_UNINSTALL));
   if (extension_action_manager->GetBrowserAction(*extension))
     AddItemWithStringId(HIDE, IDS_EXTENSIONS_HIDE_BUTTON);
   AddSeparator(ui::NORMAL_SEPARATOR);
   AddItemWithStringId(MANAGE, IDS_MANAGE_EXTENSION);
 }
 
 const Extension* ExtensionContextMenuModel::GetExtension() const {
   ExtensionService* extension_service =
       extensions::ExtensionSystem::Get(profile_)->extension_service();
   return extension_service->GetExtensionById(extension_id_, false);
 }