Creates common super class for bookmark handset and tablet view controllers

ios/chrome/browser/ui/bookmarks/bookmark_home_handset_view_controller.h

 // Copyright 2014 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 IOS_CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_HOME_HANDSET_VIEW_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_HOME_HANDSET_VIEW_CONTROLLER_H_
 
+#import "ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller.h"
+
 #import <UIKit/UIKit.h>
 
 #include <set>
 #include <vector>
 
 @class BookmarkHomeHandsetViewController;
 @class BookmarkCollectionView;
 class GURL;
 @protocol UrlLoader;
 
 namespace bookmarks {
-class BookmarkModel;
 class BookmarkNode;
 }  // namespace bookmarks
 
-namespace ios {
-class ChromeBrowserState;
-}  // namespace ios
-
 @protocol BookmarkHomeHandsetViewControllerDelegate
 // The view controller wants to be dismissed.
 // If |url| != GURL(), then the user has selected |url| for navigation.
 - (void)bookmarkHomeHandsetViewControllerWantsDismissal:
             (BookmarkHomeHandsetViewController*)controller
                                         navigationToUrl:(const GURL&)url;
 @end
 
 // Navigate/edit the bookmark hierarchy on a handset.
-@interface BookmarkHomeHandsetViewController : UIViewController {
+@interface BookmarkHomeHandsetViewController : BookmarkHomeViewController {
  @protected
   // The following 2 ivars both represent the set of nodes being edited.
   // The set is for fast lookup.
   // The vector maintains the order that edit nodes were added.
   // Use the relevant instance methods to modify these two ivars in tandem.
   // DO NOT modify these two ivars directly.
   std::set<const bookmarks::BookmarkNode*> _editNodes;
   std::vector<const bookmarks::BookmarkNode*> _editNodesOrdered;
 }
-// Designated initializer.
-- (instancetype)initWithLoader:(id<UrlLoader>)loader
-                  browserState:(ios::ChromeBrowserState*)browserState;
 
 #pragma mark - Properties Relevant To Presenters
 
 @property(nonatomic, weak) id<BookmarkHomeHandsetViewControllerDelegate>
     delegate;
 
 #pragma mark - Properties
 // Whether the view controller is in editing mode.
 @property(nonatomic, assign, readonly) BOOL editing;
 // The set of selected index paths for edition.
 @property(nonatomic, strong, readonly) NSMutableArray* editIndexPaths;
-@property(nonatomic, assign, readonly) bookmarks::BookmarkModel* bookmarks;
-@property(nonatomic, weak, readonly) id<UrlLoader> loader;
-@property(nonatomic, assign, readonly) ios::ChromeBrowserState* browserState;
 
 #pragma mark - Relevant Methods
 // Replaces |_editNodes| and |_editNodesOrdered| with new container objects.
 - (void)resetEditNodes;
 // Adds |node| and |indexPath| if it isn't already present.
 - (void)insertEditNode:(const bookmarks::BookmarkNode*)node
            atIndexPath:(NSIndexPath*)indexPath;
 // Removes |node| and |indexPath| if it's present.
 - (void)removeEditNode:(const bookmarks::BookmarkNode*)node
            atIndexPath:(NSIndexPath*)indexPath;
 
 // This method updates the property, and resets the edit nodes.
 - (void)setEditing:(BOOL)editing animated:(BOOL)animated;
 
 // Dismisses any modal interaction elements. The base implementation does
 // nothing.
 - (void)dismissModals:(BOOL)animated;
 
 @end
 
 @interface BookmarkHomeHandsetViewController (ExposedForTesting)
 // Creates the default view to show all bookmarks, if it doesn't already exist.
 - (void)ensureAllViewExists;
 - (const std::set<const bookmarks::BookmarkNode*>&)editNodes;
 - (void)setEditNodes:(const std::set<const bookmarks::BookmarkNode*>&)editNodes;
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_HOME_HANDSET_VIEW_CONTROLLER_H_