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

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index 315af0225691f68d5a4d55e268e8a6764caa80cd..363178b0fff25c37bf0a5720dc37eb55bc4f43df 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -27,6 +27,7 @@
 #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"
@@ -99,6 +100,7 @@ class Browser : public TabStripModelObserver,
                 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,
@@ -676,6 +678,10 @@ class Browser : public TabStripModelObserver,
   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;