Support color chooser inside extesions, apps, chrome frame, dev tool

content/public/browser/color_chooser.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 CONTENT_PUBLIC_BROWSER_COLOR_CHOOSER_H_
 #define CONTENT_PUBLIC_BROWSER_COLOR_CHOOSER_H_
 
 #include "third_party/skia/include/core/SkColor.h"
 
 namespace content {
 
-class WebContents;
-
-// Abstraction object for color choosers for each platform.
+// Interface for a color chooser.
 class ColorChooser {
  public:
-  static ColorChooser* Create(int identifier,
-                              WebContents* web_contents,
-                              SkColor initial_color);
-
-  explicit ColorChooser(int identifier) : identifier_(identifier) {}
   virtual ~ColorChooser() {}
 
-  // Returns a unique identifier for this chooser.  Identifiers are unique
-  // across a renderer process.  This avoids race conditions in synchronizing
-  // the browser and renderer processes.  For example, if a renderer closes one
-  // chooser and opens another, and simultaneously the user picks a color in the
-  // first chooser, the IDs can be used to drop the "chose a color" message
-  // rather than erroneously tell the renderer that the user picked a color in
-  // the second chooser.
-  int identifier() const { return identifier_; }
-
   // Ends connection with color chooser. Closes color chooser depending on the
   // platform.
   virtual void End() = 0;
 
   // Sets the selected color.
   virtual void SetSelectedColor(SkColor color) = 0;
-
- private:
-  int identifier_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_COLOR_CHOOSER_H_