Implement new gray mock.

chrome/browser/chromeos/login/background_view.h

Index: chrome/browser/chromeos/login/background_view.h
diff --git a/chrome/browser/chromeos/login/background_view.h b/chrome/browser/chromeos/login/background_view.h
index 4fe154e691a5e60cb4d9bb18ac66506e32e6daaa..0ac753cea2ecd35b2d21cbb1600815018a78a648 100644
--- a/chrome/browser/chromeos/login/background_view.h
+++ b/chrome/browser/chromeos/login/background_view.h
@@ -102,21 +102,22 @@ class BackgroundView : public views::View,
 
  protected:
   // Overridden from views::View:
-  virtual void OnPaint(gfx::Canvas* canvas);
-  virtual void Layout();
-  virtual void ChildPreferredSizeChanged(View* child);
-  virtual void OnLocaleChanged();
+  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
+  virtual void Layout() OVERRIDE;
+  virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
+  virtual void OnLocaleChanged() OVERRIDE;
 
   // Overridden from StatusAreaHost:
-  virtual Profile* GetProfile() const { return NULL; }
-  virtual void ExecuteBrowserCommand(int id) const {}
+  virtual Profile* GetProfile() const OVERRIDE { return NULL; }
+  virtual void ExecuteBrowserCommand(int id) const OVERRIDE {}
   virtual bool ShouldOpenButtonOptions(
-      const views::View* button_view) const;
-  virtual void OpenButtonOptions(const views::View* button_view);
-  virtual ScreenMode GetScreenMode() const;
+      const views::View* button_view) const OVERRIDE;
+  virtual void OpenButtonOptions(const views::View* button_view) OVERRIDE;
+  virtual ScreenMode GetScreenMode() const OVERRIDE;
+  virtual TextStyle GetTextStyle() const OVERRIDE;
 
   // Overridden from LoginHtmlDialog::Delegate:
-  virtual void OnDialogClosed() {}
+  virtual void OnDialogClosed() OVERRIDE {}
 
  private:
   // Creates and adds the status_area.