wstring: convert all SetPageTitle APIs to use string16

chrome/browser/ui/views/tab_contents/tab_contents_view_touch.h

 // Copyright (c) 2011 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_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_TOUCH_H_
 #define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_TOUCH_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 38 matching lines @@
   void RemoveConstrainedWindow(ConstrainedWindowGtk* constrained_window);
 
   // TabContentsView implementation
   virtual void CreateView(const gfx::Size& initial_size) OVERRIDE;
   virtual RenderWidgetHostView* CreateViewForWidget(
       RenderWidgetHost* render_widget_host) OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
   virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE;
   virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE;
-  virtual void SetPageTitle(const std::wstring& title) OVERRIDE;
+  virtual void SetPageTitle(const string16& title) OVERRIDE;
   virtual void OnTabCrashed(base::TerminationStatus status,
                             int error_code) OVERRIDE;
   virtual void SizeContents(const gfx::Size& size) OVERRIDE;
   virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
   virtual void Focus() OVERRIDE;
   virtual void SetInitialFocus() OVERRIDE;
   virtual void StoreFocus() OVERRIDE;
   virtual void RestoreFocus() OVERRIDE;
   virtual bool IsDoingDrag() const OVERRIDE;
   virtual void CancelDragAndCloseTab() OVERRIDE;
@@ skipping 81 matching lines @@
   gfx::Size size_;
 
   // Each individual UI for constrained dialogs currently displayed. The
   // objects in this vector are owned by the TabContents, not the view.
   std::vector<ConstrainedWindowGtk*> constrained_windows_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewTouch);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_TOUCH_H_