Add base:: to string16s in chrome/.

chrome/test/base/web_ui_browsertest.h

 // 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.
 
 #ifndef CHROME_TEST_BASE_WEB_UI_BROWSERTEST_H_
 #define CHROME_TEST_BASE_WEB_UI_BROWSERTEST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 120 matching lines @@
 
   // Returns a mock WebUI object under test (if any).
   virtual content::WebUIMessageHandler* GetMockMessageHandler();
 
   // Returns a file:// GURL constructed from |path| inside the test data dir for
   // webui tests.
   static GURL WebUITestDataPathToURL(const base::FilePath::StringType& path);
 
  private:
   // Builds a string containing all added javascript libraries.
-  void BuildJavascriptLibraries(string16* content);
+  void BuildJavascriptLibraries(base::string16* content);
 
   // Builds a string with a call to the runTest JS function, passing the
   // given |is_async|, |test_name| and its |args|.
-  string16 BuildRunTestJSCall(bool is_async,
-                              const std::string& test_name,
-                              const WebUIBrowserTest::ConstValueVector& args);
+  base::string16 BuildRunTestJSCall(
+      bool is_async,
+      const std::string& test_name,
+      const WebUIBrowserTest::ConstValueVector& args);
 
   // Loads all libraries added with AddLibrary(), and calls |function_name| with
   // |function_arguments|. When |is_test| is true, the framework wraps
   // |function_name| with a test helper function, which waits for completion,
   // logging an error message on failure, otherwise |function_name| is called
   // asynchronously. When |preload_host| is non-NULL, sends the javascript to
   // the RenderView for evaluation at the appropriate time before the onload
   // call is made. Passes |is_async| along to runTest wrapper.
   bool RunJavascriptUsingHandler(const std::string& function_name,
                                  const ConstValueVector& function_arguments,
@@ skipping 26 matching lines @@
   std::string preload_test_name_;
 
   // When this is non-NULL, this is The WebUI instance used for testing.
   // Otherwise the selected tab's web_ui is used.
   content::WebUI* override_selected_web_ui_;
 
   scoped_ptr<TestChromeWebUIControllerFactory> test_factory_;
 };
 
 #endif  // CHROME_TEST_BASE_WEB_UI_BROWSERTEST_H_