Add pin icon to the omnibar in windows 8 metro mode.

chrome/browser/ui/browser.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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
 #include "chrome/browser/debugger/devtools_toggle_action.h"
 #include "chrome/browser/event_disposition.h"
 #include "chrome/browser/intents/device_attached_intent_source.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper_delegate.h"
 #include "chrome/browser/ui/bookmarks/bookmark_bar.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper_delegate.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/constrained_window_tab_helper_delegate.h"
+#include "chrome/browser/ui/metro_pin_tab_helper.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper_delegate.h"
 #include "chrome/browser/ui/select_file_dialog.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper_delegate.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "chrome/browser/ui/zoom/zoom_observer.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/content_settings_types.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/notification_registrar.h"
@@ skipping 52 matching lines @@
 struct WebIntentServiceData;
 }
 
 class Browser : public TabStripModelObserver,
                 public content::WebContentsDelegate,
                 public CoreTabHelperDelegate,
                 public SearchEngineTabHelperDelegate,
                 public ConstrainedWindowTabHelperDelegate,
                 public BlockedContentTabHelperDelegate,
                 public BookmarkTabHelperDelegate,
+                public MetroPinTabHelper::Delegate,

[sky, 2012/07/20 16:46:41]

I don't like browser implementing an interface that is solely for windows. Can
this move to browserview?

[benwells, 2012/07/23 08:03:43]

Yep, thanks for the suggestion! I didn't like all the #iffery....

                 public ZoomObserver,
                 public content::PageNavigator,
                 public content::NotificationObserver,
                 public SelectFileDialog::Listener {
  public:
   // SessionService::WindowType mirrors these values.  If you add to this
   // enum, look at SessionService::WindowType to see if it needs to be
   // updated.
   enum Type {
     // If you add a new type, consider updating the test
@@ skipping 557 matching lines @@
   virtual void SetTabContentBlocked(TabContents* contents,
                                     bool blocked) OVERRIDE;
 
   // Overridden from BlockedContentTabHelperDelegate:
   virtual TabContents* GetConstrainingTabContents(TabContents* source) OVERRIDE;
 
   // Overridden from BookmarkTabHelperDelegate:
   virtual void URLStarredChanged(TabContents* source,
                                  bool starred) OVERRIDE;
 
+  // Overridden from MetroPinTabHelperDelegate:
+  virtual void IsPinnedChanged(content::WebContents* source,
+                               bool is_pinned) OVERRIDE;
+
   // Overridden from ZoomObserver:
   virtual void OnZoomIconChanged(TabContents* source,
                                  ZoomController::ZoomIconState state) OVERRIDE;
   virtual void OnZoomChanged(TabContents* source,
                              int zoom_percent,
                              bool can_show_bubble) OVERRIDE;
 
   // Overridden from SelectFileDialog::Listener:
   virtual void FileSelected(const FilePath& path,
                             int index,
@@ skipping 236 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_