Convert some stuff to string16 so the toolkit_views build can build again

chrome/browser/gtk/browser_window_gtk.cc

 // Copyright (c) 2009 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 "chrome/browser/gtk/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <X11/XF86keysym.h>
 
 #include "app/resource_bundle.h"
@@ skipping 541 matching lines @@
   // On Windows, this is used for a performance optimization.
   // http://code.google.com/p/chromium/issues/detail?id=12291
 }
 
 void BrowserWindowGtk::UpdateTitleBar() {
 #if defined(OS_CHROMEOS)
   if (panel_controller_)
     panel_controller_->UpdateTitleBar();
 #endif
 
-  std::wstring title = browser_->GetCurrentPageTitle();
-  gtk_window_set_title(window_, WideToUTF8(title).c_str());
+  string16 title = browser_->GetCurrentPageTitle();
+  gtk_window_set_title(window_, UTF16ToUTF8(title).c_str());
   if (ShouldShowWindowIcon()) {
     // TODO(tc): If we're showing a title bar, we should update the app icon.
   }
 }
 
 void BrowserWindowGtk::UpdateDevTools() {
   NOTIMPLEMENTED();
 }
 
 void BrowserWindowGtk::UpdateLoadingAnimations(bool should_animate) {
@@ skipping 821 matching lines @@
       *edge = GDK_WINDOW_EDGE_NORTH_EAST;
     } else if (y < bounds_.height() - kResizeAreaCornerSize) {
       *edge = GDK_WINDOW_EDGE_EAST;
     } else {
       *edge = GDK_WINDOW_EDGE_SOUTH_EAST;
     }
     return true;
   }
   NOTREACHED();
 }