Display origin url on the chooser permission dialog title

chrome/browser/ui/website_settings/chooser_bubble_controller.h

 // Copyright 2015 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_WEBSITE_SETTINGS_CHOOSER_BUBBLE_CONTROLLER_H_
 #define CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 35 matching lines @@
     // Called when GetOption(index) is no longer present, and all later
     // options have been moved earlier by 1 slot. Calling GetOption(index)
     // from inside a call to OnOptionRemoved will NOT see the removed string
     // since the options have already been updated.
     virtual void OnOptionRemoved(size_t index) = 0;
 
    protected:
     virtual ~Observer() {}
   };
 
+  // Return the origin URL to be displayed on the bubble title.
+  GURL GetOriginUrl() const;

[palmer, 2016/04/18 18:28:10]

I think it might make more conceptual sense to return a url::Origin, or 
std::string (url::Origin::Serialize) than a GURL.

[juncai, 2016/04/18 19:43:24]

Done.

+
   // Open help center URL.
   void OpenHelpCenterUrl() const;
 
   // BubbleDelegate:
   std::string GetName() const override;
   std::unique_ptr<BubbleUi> BuildBubbleUi() override;
   const content::RenderFrameHost* OwningFrame() const override;
 
   // The number of options users can pick from. For example, it can be
   // the number of USB/Bluetooth device names which are listed in the
@@ skipping 24 matching lines @@
 
  private:
   Browser* browser_;
   const content::RenderFrameHost* const owning_frame_;
   Observer* observer_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(ChooserBubbleController);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_CHOOSER_BUBBLE_CONTROLLER_H_