Convert string16 to base::string16 in content.

content/test/test_web_contents_view.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 "content/test/test_web_contents_view.h"
 
 namespace content {
 
 TestWebContentsView::TestWebContentsView() {
 }
@@ skipping 85 matching lines @@
 RenderWidgetHostView* TestWebContentsView::CreateViewForWidget(
     RenderWidgetHost* render_widget_host) {
   return NULL;
 }
 
 RenderWidgetHostView* TestWebContentsView::CreateViewForPopupWidget(
     RenderWidgetHost* render_widget_host) {
   return NULL;
 }
 
-void TestWebContentsView::SetPageTitle(const string16& title) {
+void TestWebContentsView::SetPageTitle(const base::string16& title) {
 }
 
 void TestWebContentsView::RenderViewCreated(RenderViewHost* host) {
 }
 
 void TestWebContentsView::RenderViewSwappedIn(RenderViewHost* host) {
 }
 
 void TestWebContentsView::SetOverscrollControllerEnabled(bool enabled) {
 }
 
 #if defined(OS_MACOSX)
 bool TestWebContentsView::IsEventTracking() const {
   return false;
 }
 
 void TestWebContentsView::CloseTabAfterEventTracking() {
 }
 #endif
 
 }  // namespace content