Add base:: to string16 in chrome_frame/.

chrome_frame/test/mock_ie_event_sink_actions.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_FRAME_TEST_MOCK_IE_EVENT_SINK_ACTIONS_H_
 #define CHROME_FRAME_TEST_MOCK_IE_EVENT_SINK_ACTIONS_H_
 
 #include <windows.h>
 #include <algorithm>
 #include <string>
@@ skipping 25 matching lines @@
 }
 
 // Returns true if the title of the page rendered in the window |arg| equals
 // |the_url| or |the_title|. For pages rendered in Chrome, the title of the
 // parent of |arg| is the page url or title. For pages rendered in IE, the title
 // of the grandparent of |arg| begins with the page url or title. To handle both
 // cases, attempt a prefix match on each window starting with the parent of
 // |arg|. Both url and title are matched to account for a race between the test
 // and Chrome when the window title is transitioned from the url to the title.
 MATCHER_P2(TabContentsTitleEq, the_url, the_title, "") {
-  const string16 url(the_url);
+  const base::string16 url(the_url);
   DCHECK(!url.empty());
-  const string16 title(the_title);
+  const base::string16 title(the_title);
   DCHECK(!title.empty());
   HWND parent = GetParent(arg);
   if (parent != NULL) {
-    string16 parent_title(255, L'\0');
+    base::string16 parent_title(255, L'\0');
     std::ostringstream titles_found(std::string("titles found: "));
-    string16 first_title;
+    base::string16 first_title;
     do {
       parent_title.resize(255, L'\0');
       parent_title.resize(GetWindowText(parent, &parent_title[0],
                                         parent_title.size()));
       if (parent_title.size() >= title.size() &&
           std::equal(title.begin(), title.end(), parent_title.begin()) ||
           parent_title.size() >= url.size() &&
           std::equal(url.begin(), url.end(), parent_title.begin())) {
         return true;
       }
@@ skipping 382 matching lines @@
 
   loop->PostDelayedTask(
       FROM_HERE,
       base::Bind(simulate_input::SendCharA, VK_RETURN, simulate_input::NONE),
       next_delay);
 }
 
 }  // namespace chrome_frame_test
 
 #endif  // CHROME_FRAME_TEST_MOCK_IE_EVENT_SINK_ACTIONS_H_