Update uses of UTF conversions in content/ to use the base:: namespace.

content/browser/frame_host/render_frame_host_manager_browsertest.cc

 // Copyright 2013 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 <set>
 
 #include "base/json/json_reader.h"
 #include "base/memory/ref_counted.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 14 matching lines @@
 #include "content/public/common/url_constants.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/content_browser_test.h"
 #include "content/test/content_browser_test_utils.h"
 #include "net/base/net_util.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
 
+using base::ASCIIToUTF16;
+
 namespace content {
 
 class RenderFrameHostManagerTest : public ContentBrowserTest {
  public:
   RenderFrameHostManagerTest() {}
 
   static bool GetFilePathWithHostAndPortReplacement(
       const std::string& original_file_path,
       const net::HostPortPair& host_port_pair,
       std::string* replacement_path) {
@@ skipping 1307 matching lines @@
   NavigateToURL(shell(), https_server.GetURL("files/title1.html"));
 
   // Make sure it ends up at the right page.
   WaitForLoadStop(shell()->web_contents());
   EXPECT_EQ(https_server.GetURL("files/title1.html"),
             shell()->web_contents()->GetLastCommittedURL());
   EXPECT_EQ(new_site_instance, shell()->web_contents()->GetSiteInstance());
 }
 
 }  // namespace content