Get rid of extensions dependency from content\browser.

content/browser/tab_contents/tab_contents.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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "chrome/browser/download/save_package.h"
-#include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/browser/favicon_helper.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/tab_contents/tab_specific_content_settings.h"
 #include "chrome/browser/ui/app_modal_dialogs/js_modal_dialog.h"
 #include "chrome/common/instant_types.h"
 #include "chrome/common/translate_errors.h"
 #include "chrome/common/web_apps.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/tab_contents/constrained_window.h"
 #include "content/browser/tab_contents/language_state.h"
@@ skipping 55 matching lines @@
 struct ViewHostMsg_FrameNavigate_Params;
 struct WebPreferences;
 
 // Describes what goes in the main content area of a tab. TabContents is
 // the only type of TabContents, and these should be merged together.
 class TabContents : public PageNavigator,
                     public NotificationObserver,
                     public RenderViewHostDelegate,
                     public RenderViewHostManager::Delegate,
                     public JavaScriptAppModalDialogDelegate,
-                    public ImageLoadingTracker::Observer,
                     public TabSpecificContentSettings::Delegate,
                     public net::NetworkChangeNotifier::OnlineStateObserver {
  public:
   // Flags passed to the TabContentsDelegate.NavigationStateChanged to tell it
   // what has changed. Combine them to update more than one thing.
   enum InvalidateTypes {
     INVALIDATE_URL             = 1 << 0,  // The URL has changed.
     INVALIDATE_TAB             = 1 << 1,  // The favicon, app icon, or crashed
                                           // state changed.
     INVALIDATE_LOAD            = 1 << 2,  // The loading state has changed.
@@ skipping 66 matching lines @@
   // The TabContentsView will never change and is guaranteed non-NULL.
   TabContentsView* view() const {
     return view_.get();
   }
 
   // Returns the FaviconHelper of this TabContents.
   FaviconHelper& favicon_helper() {
     return *favicon_helper_.get();
   }
 
-  // App extensions ------------------------------------------------------------
-
-  // Sets the extension denoting this as an app. If |extension| is non-null this
-  // tab becomes an app-tab. TabContents does not listen for unload events for
-  // the extension. It's up to consumers of TabContents to do that.
-  //
-  // NOTE: this should only be manipulated before the tab is added to a browser.
-  // TODO(sky): resolve if this is the right way to identify an app tab. If it
-  // is, than this should be passed in the constructor.
-  void SetExtensionApp(const Extension* extension);
-
-  // Convenience for setting the app extension by id. This does nothing if
-  // |extension_app_id| is empty, or an extension can't be found given the
-  // specified id.
-  void SetExtensionAppById(const std::string& extension_app_id);
-
-  const Extension* extension_app() const { return extension_app_; }
-  bool is_app() const { return extension_app_ != NULL; }
-
-  // If an app extension has been explicitly set for this TabContents its icon
-  // is returned.
-  //
-  // NOTE: the returned icon is larger than 16x16 (its size is
-  // Extension::EXTENSION_ICON_SMALLISH).
-  SkBitmap* GetExtensionAppIcon();
-
   // Tab navigation state ------------------------------------------------------
 
   // Returns the current navigation properties, which if a navigation is
   // pending may be provisional (e.g., the navigation could result in a
   // download, in which case the URL would revert to what it was previously).
   virtual const GURL& GetURL() const;
   virtual const string16& GetTitle() const;
 
   // The max PageID of any page that this TabContents has loaded.  PageIDs
   // increase with each new page that is loaded by a tab.  If this is a
@@ skipping 78 matching lines @@
   // also notify the delegate when the flag is changed.
   bool is_crashed() const {
     return (crashed_status_ == base::TERMINATION_STATUS_PROCESS_CRASHED ||
             crashed_status_ == base::TERMINATION_STATUS_ABNORMAL_TERMINATION ||
             crashed_status_ == base::TERMINATION_STATUS_PROCESS_WAS_KILLED);
   }
   base::TerminationStatus crashed_status() const { return crashed_status_; }
   int crashed_error_code() const { return crashed_error_code_; }
   void SetIsCrashed(base::TerminationStatus status, int error_code);
 
-  // Call this after updating a page action to notify clients about the changes.
-  void PageActionStateChanged();
-
   // Whether the tab is in the process of being destroyed.
   // Added as a tentative work-around for focus related bug #4633.  This allows
   // us not to store focus when a tab is being closed.
   bool is_being_destroyed() const { return is_being_destroyed_; }
 
   // Convenience method for notifying the delegate of a navigation state
   // change. See TabContentsDelegate.
   void NotifyNavigationStateChanged(unsigned changed_flags);
 
   // Invoked when the tab contents becomes selected. If you override, be sure
@@ skipping 653 matching lines @@
   // InitWithExistingID.
   virtual bool CreateRenderViewForRenderManager(
       RenderViewHost* render_view_host);
 
   // NotificationObserver ------------------------------------------------------
 
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
-  // App extensions related methods:
-
-  // Returns the first extension whose extent contains |url|.
-  const Extension* GetExtensionContaining(const GURL& url);
-
-  // Resets app_icon_ and if |extension| is non-null creates a new
-  // ImageLoadingTracker to load the extension's image.
-  void UpdateExtensionAppIcon(const Extension* extension);
-
-  // ImageLoadingTracker::Observer.
-  virtual void OnImageLoaded(SkBitmap* image, const ExtensionResource& resource,
-                             int index);
-
   // NetworkChangeNotifier::OnlineStateObserver:
   virtual void OnOnlineStateChanged(bool online);
 
   // Adds the given window to the list of child windows. The window will notify
   // via WillClose() when it is being destroyed.
   void AddConstrainedDialog(ConstrainedWindow* window);
 
   // Data for core operation ---------------------------------------------------
 
   // Delegate for notifying our owner about stuff. Not owned by us.
@@ skipping 104 matching lines @@
   bool dont_notify_render_view_;
 
   // True if this is a secure page which displayed insecure content.
   bool displayed_insecure_content_;
 
   // Data for shelves and stuff ------------------------------------------------
 
   // Delegates for InfoBars associated with this TabContents.
   std::vector<InfoBarDelegate*> infobar_delegates_;
 
-  // Data for app extensions ---------------------------------------------------
-
-  // If non-null this tab is an app tab and this is the extension the tab was
-  // created for.
-  const Extension* extension_app_;
-
-  // Icon for extension_app_ (if non-null) or extension_for_current_page_.
-  SkBitmap extension_app_icon_;
-
-  // Used for loading extension_app_icon_.
-  scoped_ptr<ImageLoadingTracker> extension_app_image_loader_;
-
   // Data for misc internal state ----------------------------------------------
 
   // See capturing_contents() above.
   bool capturing_contents_;
 
   // See getter above.
   bool is_being_destroyed_;
 
   // Indicates whether we should notify about disconnection of this
   // TabContents. This is used to ensure disconnection notifications only
@@ skipping 62 matching lines @@
   ObserverList<TabContentsObserver> observers_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_