Delete most web intents code.

chrome/browser/ui/intents/web_intent_icon_loader.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_ICON_LOADER_H_
-#define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_ICON_LOADER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/favicon/favicon_service.h"
-#include "chrome/common/cancelable_task_tracker.h"
-
-class Profile;
-class WebIntentPickerModel;
-
-namespace net {
-  class URLFetcher;
-}
-
-namespace web_intents {
-
-class IconLoader {
- public:
-  IconLoader(Profile* profile, WebIntentPickerModel* model);
-  ~IconLoader();
-
-  // Load the favicon associated with |url|.
-  void LoadFavicon(const GURL& url);
-
-  // Load an extension icon
-  void LoadExtensionIcon(const GURL& url, const std::string& extension_id);
-
- private:
-  // Called when a favicon is returned from the FaviconService.
-  void OnFaviconDataAvailable(const GURL& url,
-                              const history::FaviconImageResult& image_result);
-
-  // Called when a suggested extension's icon is fetched.
-  void OnExtensionIconURLFetchComplete(const std::string& extension_id,
-                                       const net::URLFetcher* source);
-
-  // Called when an extension's icon is successfully decoded and resized.
-  void OnExtensionIconAvailable(const std::string& extension_id,
-                                const gfx::Image& icon_image);
-
-  // A weak pointer to the profile for the web contents.
-  Profile* profile_;
-
-  // A weak pointer to the model being updated.
-  WebIntentPickerModel* model_;
-
-  // Used to asynchronously load favicons.
-  CancelableTaskTracker cancelable_task_tracker_;
-
-  // Factory for weak pointers used in callbacks for async calls to load icon.
-  base::WeakPtrFactory<IconLoader> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(IconLoader);
-};
-
-}  // namespace web_intents;
-
-#endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_ICON_LOADER_H_