Mac: Add a shortcut to open the Apps page from the bookmark bar.

chrome/browser/bookmarks/bookmark_model.h

Index: chrome/browser/bookmarks/bookmark_model.h
diff --git a/chrome/browser/bookmarks/bookmark_model.h b/chrome/browser/bookmarks/bookmark_model.h
index 3012847228a4d6d3c0e68a646bf613c957a5f731..6d1d7de42c238436f86a30076fc15fded6b6b8d5 100644
--- a/chrome/browser/bookmarks/bookmark_model.h
+++ b/chrome/browser/bookmarks/bookmark_model.h
@@ -52,7 +52,8 @@ class BookmarkNode : public ui::TreeNode<BookmarkNode> {
     FOLDER,
     BOOKMARK_BAR,
     OTHER_NODE,
-    MOBILE
+    MOBILE,
+    APPS_NODE
   };
 
   enum FaviconState {
@@ -104,7 +105,7 @@ class BookmarkNode : public ui::TreeNode<BookmarkNode> {
 
   // Convenience for testing if this node represents a folder. A folder is a
   // node whose type is not URL.
-  bool is_folder() const { return type_ != URL; }
+  bool is_folder() const { return type_ != URL && type_ != APPS_NODE; }
   bool is_url() const { return type_ == URL; }
 
   bool is_favicon_loaded() const { return favicon_state_ == LOADED_FAVICON; }
@@ -255,15 +256,20 @@ class BookmarkModel : public content::NotificationObserver,
   // Returns the 'mobile' node. This is NULL until loaded.
   const BookmarkNode* mobile_node() { return mobile_node_; }
 
+  // Returns the 'apps' node. This is NULL until loaded or if there is no apps
+  // node.
+  const BookmarkNode* apps_node() { return apps_node_.get(); }
+
   bool is_root_node(const BookmarkNode* node) const { return node == &root_; }
 
   // Returns whether the given |node| is one of the permanent nodes - root node,
-  // 'bookmark bar' node, 'other' node or 'mobile' node.
+  // 'bookmark bar' node, 'other' node, 'mobile' node or 'apps' node.
   bool is_permanent_node(const BookmarkNode* node) const {
     return node == &root_ ||
            node == bookmark_bar_node_ ||
            node == other_node_ ||
-           node == mobile_node_;
+           node == mobile_node_ ||
+           node == apps_node_.get();
   }
 
   Profile* profile() { return profile_; }
@@ -499,6 +505,10 @@ class BookmarkModel : public content::NotificationObserver,
   BookmarkPermanentNode* other_node_;
   BookmarkPermanentNode* mobile_node_;
 
+  // A special node used to render the bookmark menu but that is not kept under
+  // |root_|, so we have to release it by itself.
+  scoped_ptr<BookmarkPermanentNode> apps_node_;
+
   // The maximum ID assigned to the bookmark nodes in the model.
   int64 next_node_id_;