[Web Intents] Inline installation of extensions in web intents picker.

chrome/browser/ui/intents/web_intent_picker.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_H_
 #define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_H_
 #pragma once
 
 #include <stddef.h>
 #include <vector>
@@ skipping 14 matching lines @@
   // Platform specific factory function. This function will automatically show
   // the picker.
   static WebIntentPicker* Create(Browser* browser,
                                  TabContentsWrapper* wrapper,
                                  WebIntentPickerDelegate* delegate,
                                  WebIntentPickerModel* model);
 
   // Hides the UI for this picker, and destroys its UI.
   virtual void Close() = 0;
 
+  // Called when an extension is successfully installed via the picker.
+  virtual void OnExtensionInstallSuccess(const std::string& id) {}
+
+  // Called when an extension installation started via the picker has failed.
+  virtual void OnExtensionInstallFailure(const std::string& id) {}
+
   // Called when the controller has finished all pending asynchronous
   // activities.
   virtual void OnPendingAsyncCompleted() {}
 
   // Get the default size of the inline disposition tab container.
   static gfx::Size GetDefaultInlineDispositionSize(
       content::WebContents* web_contents);
 
   // Get the star image IDs to use for the nth star (out of 5), given a
   // |rating| in the range [0, 5].
   static int GetNthStarImageIdFromCWSRating(double rating, int index);
 
  protected:
   virtual ~WebIntentPicker() {}
 };
 
 #endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_H_