Convert string16 to base::string16 in content.

content/browser/media/webrtc_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/command_line.h"
 #include "base/debug/trace_event_impl.h"
 #include "base/json/json_reader.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 112 matching lines @@
                                "ns",
                                true);
   }
 
  protected:
   bool ExecuteJavascript(const std::string& javascript) {
     return ExecuteScript(shell()->web_contents(), javascript);
   }
 
   void ExpectTitle(const std::string& expected_title) const {
-    string16 expected_title16(ASCIIToUTF16(expected_title));
+    base::string16 expected_title16(ASCIIToUTF16(expected_title));
     TitleWatcher title_watcher(shell()->web_contents(), expected_title16);
     EXPECT_EQ(expected_title16, title_watcher.WaitAndGetTitle());
   }
 };
 
 // These tests will all make a getUserMedia call with different constraints and
 // see that the success callback is called. If the error callback is called or
 // none of the callbacks are called the tests will simply time out and fail.
 IN_PROC_BROWSER_TEST_F(WebrtcBrowserTest, GetVideoStreamAndStop) {
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
@@ skipping 408 matching lines @@
 
   GURL url(embedded_test_server()->GetURL("/media/peerconnection-call.html"));
   NavigateToURL(shell(), url);
 
   EXPECT_TRUE(
       ExecuteJavascript("addTwoMediaStreamsToOneConnection();"));
   ExpectTitle("OK");
 }
 
 }  // namespace content