Installing a platform application will add all application shortucts.

chrome/browser/extensions/extension_service.h

 // Copyright (c) 2011 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_EXTENSIONS_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 19 matching lines @@
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_sync_data.h"
 #include "chrome/browser/extensions/extension_toolbar_model.h"
 #include "chrome/browser/extensions/extension_warning_set.h"
 #include "chrome/browser/extensions/extensions_quota_service.h"
 #include "chrome/browser/extensions/external_extension_provider_interface.h"
 #include "chrome/browser/extensions/pending_extension_manager.h"
 #include "chrome/browser/extensions/process_map.h"
 #include "chrome/browser/extensions/sandboxed_extension_unpacker.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
+#include "chrome/browser/shell_integration.h"
 #include "chrome/browser/sync/api/sync_change.h"
 #include "chrome/browser/sync/api/syncable_service.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class AppNotificationManager;
@@ skipping 74 matching lines @@
       extension_misc::UnloadedExtensionReason reason) = 0;
 
   virtual bool is_ready() = 0;
 };
 
 // Manages installed and running Chromium extensions.
 class ExtensionService
     : public ExtensionServiceInterface,
       public ExternalExtensionProviderInterface::VisitorInterface,
       public base::SupportsWeakPtr<ExtensionService>,
-      public content::NotificationObserver {
+      public content::NotificationObserver,
+      public ImageLoadingTracker::Observer {
  public:
   using base::SupportsWeakPtr<ExtensionService>::AsWeakPtr;
 
   // The name of the directory inside the profile where extensions are
   // installed to.
   static const char* kInstallDirectoryName;
 
   // If auto-updates are turned on, default to running every 5 hours.
   static const int kDefaultUpdateFrequencySeconds = 60 * 60 * 5;
 
@@ skipping 422 matching lines @@
 #endif
 
   ExtensionWarningSet* extension_warnings() {
     return &extension_warnings_;
   }
 
   extensions::SocketController* socket_controller() {
     return socket_controller_;
   }
 
+  // Implement ImageLoadingTracker::Observer. |tracker_| is used to
+  // load the application's icon, which is done when we start creating an
+  // application's shortcuts. This method receives the icon, and completes
+  // the process of installing the shortcuts.
+  virtual void OnImageLoaded(SkBitmap* image,
+                             const ExtensionResource& resource,
+                             int index) OVERRIDE;
  private:
   // Bundle of type (app or extension)-specific sync stuff.
   struct SyncBundle {
     SyncBundle();
     ~SyncBundle();
 
     bool HasExtensionId(const std::string& id) const;
     bool HasPendingExtensionId(const std::string& id) const;
 
     ExtensionFilter filter;
@@ skipping 94 matching lines @@
   // type, just the ones that are responsible for rendering a particular MIME
   // type, like application/pdf. Note: We only register NaCl modules in the
   // browser process.
   void RegisterNaClModule(const GURL& url, const std::string& mime_type);
   void UnregisterNaClModule(const GURL& url);
 
   // Call UpdatePluginListWithNaClModules() after registering or unregistering
   // a NaCl module to see those changes reflected in the PluginList.
   void UpdatePluginListWithNaClModules();
 
+  // Start the process of installing an application shortcut.
+  // The process is finished when OnImageLoaded is called.
+  void StartInstallApplicationShortcut(const Extension* extension);
+
   NaClModuleInfoList::iterator FindNaClModule(const GURL& url);
 
   // The profile this ExtensionService is part of.
   Profile* profile_;
 
   // Preferences for the owning profile (weak reference).
   ExtensionPrefs* extension_prefs_;
 
   // Settings for the owning profile.
   scoped_ptr<extensions::SettingsFrontend> settings_frontend_;
@@ skipping 122 matching lines @@
 
   // Contains an entry for each warning that shall be currently shown.
   ExtensionWarningSet extension_warnings_;
 
   // We need to control destruction of this object (it needs to happen on the
   // IO thread), so we don't get to use any RAII devices with it.
   extensions::SocketController* socket_controller_;
 
   extensions::ProcessMap process_map_;
 
+  // Fields used when installing application shortcuts.
+  ShellIntegration::ShortcutInfo shortcut_info_;
+  ImageLoadingTracker tracker_;
+
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsWithUnlimtedStorage);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsAndCheckStorageProtection);
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_