Merge from Chromium at DEPS revision r198571

This commit was generated by merge_to_master.py.

Change-Id: I951118a03836157090561764dd2627f0add8118f
diff --git a/ash/shell/window_type_launcher.h b/ash/shell/window_type_launcher.h
index 51376e8..de2159e 100644
--- a/ash/shell/window_type_launcher.h
+++ b/ash/shell/window_type_launcher.h
@@ -48,7 +48,7 @@
   // Overridden from views::WidgetDelegate:
   virtual views::View* GetContentsView() OVERRIDE;
   virtual bool CanResize() const OVERRIDE;
-  virtual string16 GetWindowTitle() const OVERRIDE;
+  virtual base::string16 GetWindowTitle() const OVERRIDE;
   virtual bool CanMaximize() const OVERRIDE;
 
   // Overridden from views::ButtonListener: