Constrained window sheet controller (test patch)

chrome/browser/ui/constrained_window.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_CONSTRAINED_WINDOW_H_
 #define CHROME_BROWSER_UI_CONSTRAINED_WINDOW_H_
 
 #include "build/build_config.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 12 matching lines @@
   static const int kRowPadding = 20;  // Vertical margin between dialog rows.
   static const int kBorderRadius = 2;  // Border radius for dialog corners.
 
   // Font style for dialog text.
   static const ui::ResourceBundle::FontStyle kTextFontStyle =
       ui::ResourceBundle::BaseFont;
   // Font style for dialog title.
   static const ui::ResourceBundle::FontStyle kTitleFontStyle =
       ui::ResourceBundle::MediumFont;
 
-  static const SkColor kBackgroundColor = SkColorSetRGB(0xfb, 0xfb, 0xfb);
-  static const SkColor kTextColor = SkColorSetRGB(0x33, 0x33, 0x33);
+  static const SkColor kBackgroundColor;
+  static const SkColor kTextColor;
 
   // Makes the Constrained Window visible. Only one Constrained Window is shown
   // at a time per tab.
   virtual void ShowConstrainedWindow() = 0;
 
   // Closes the Constrained Window.
   virtual void CloseConstrainedWindow() = 0;
 
   // Sets focus on the Constrained Window.
   virtual void FocusConstrainedWindow();
 
+  // Checks if the constrained window can be shown.
+  virtual bool GetCanShowConstrainedWindow();
+
   // Returns the native window of the constrained window.
   virtual gfx::NativeWindow GetNativeWindow();
 
  protected:
   virtual ~ConstrainedWindow() {}
 };
 
 #endif  // CHROME_BROWSER_UI_CONSTRAINED_WINDOW_H_