Add utf_string_conversions to base namespace.

chrome/browser/extensions/page_action_browsertest.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 "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
@@ skipping 172 matching lines @@
   const Extension* extension = LoadExtension(extension_path);
   ASSERT_TRUE(extension);
 
   // Any navigation prompts the location bar to load the page action.
   GURL url = test_server()->GetURL(kLocalization);
   ui_test_utils::NavigateToURL(browser(), url);
   ASSERT_TRUE(WaitForPageActionVisibilityChangeTo(1));
 
   ASSERT_EQ(size_before + 1, service->extensions()->size());
 
-  EXPECT_STREQ(WideToUTF8(L"Hreggvi\u00F0ur: l10n page action").c_str(),
+  EXPECT_STREQ(base::WideToUTF8(L"Hreggvi\u00F0ur: l10n page action").c_str(),
                extension->description().c_str());
-  EXPECT_STREQ(WideToUTF8(L"Hreggvi\u00F0ur is my name").c_str(),
+  EXPECT_STREQ(base::WideToUTF8(L"Hreggvi\u00F0ur is my name").c_str(),
                extension->name().c_str());
   int tab_id = ExtensionTabUtil::GetTabId(
       browser()->tab_strip_model()->GetActiveWebContents());
-  EXPECT_STREQ(WideToUTF8(L"Hreggvi\u00F0ur").c_str(),
+  EXPECT_STREQ(base::WideToUTF8(L"Hreggvi\u00F0ur").c_str(),
                ExtensionActionManager::Get(browser()->profile())->
                GetPageAction(*extension)->
                GetTitle(tab_id).c_str());
 }
 
 }  // namespace
 }  // namespace extensions