[Web Intents] WebIntentPickerModel uses URL instead of index to reference registered services.

chrome/browser/ui/intents/web_intent_picker_model.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_INTENTS_WEB_INTENT_PICKER_MODEL_H_
 #define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_MODEL_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 98 matching lines @@
   // Return the suggested extension at |index|.
   const SuggestedExtension& GetSuggestedExtensionAt(size_t index) const;
 
   // Return the number of suggested extensions.
   size_t GetSuggestedExtensionCount() const;
 
   // Set the icon image for the suggested extension with |id|.
   void SetSuggestedExtensionIconWithId(const string16& id,
                                        const gfx::Image& image);
 
-  // Set the picker to display the intent service at |index| inline.
-  void SetInlineDisposition(size_t index);
+  // Set the picker to display the intent service with |url| inline.
+  void SetInlineDisposition(const GURL& url);
 
   // Returns true if the picker is currently displaying an inline service.
   bool IsInlineDisposition() const;
 
-  // Returns the index of the intent service that is being displayed inline, or
-  // std::string::npos if none.
-  size_t inline_disposition_index() const { return inline_disposition_index_; }
+  // Returns the url of the intent service that is being displayed inline, or
+  // GURL::EmptyGURL() if none.
+  GURL inline_disposition_url() const { return inline_disposition_url_; }
 
  private:
   // Delete all elements in |installed_services_| and |suggested_extensions_|.
   // Note that this method does not reset the observer.
   void DestroyAll();
 
   // A vector of all installed services in the picker. Each installed service
   // is owned by this model.
   std::vector<InstalledService*> installed_services_;
 
   // A vector of all suggested extensions in the picker. Each element is owned
   // by this model.
   std::vector<SuggestedExtension*> suggested_extensions_;
 
   // The observer to send notifications to, or NULL if none.
   WebIntentPickerModelObserver* observer_;
 
-  // The index of the intent service that is being displayed inline, or
-  // std::string::npos if none.
-  size_t inline_disposition_index_;
+  // The url of the intent service that is being displayed inline, or
+  // GURL::EmptyGURL() if none.
+  GURL inline_disposition_url_;
 
   DISALLOW_COPY_AND_ASSIGN(WebIntentPickerModel);
 };
 
 #endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_MODEL_H_