[ObjC ARC] Converts ios/chrome/browser/ui/toolbar:toolbar to ARC.

ios/chrome/browser/ui/toolbar/toolbar_controller.h

 // Copyright 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 IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_CONTROLLER_H_
 #define IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_CONTROLLER_H_
 
 #import <UIKit/UIKit.h>
 
 #include <stdint.h>
@@ skipping 96 matching lines @@
 // This is not intended to be used on its own, but to be subclassed by more
 // specific toolbars that provide more buttons in the empty space.
 @interface ToolbarController : NSObject<PopupMenuDelegate>
 
 // The top-level toolbar view. It is a |UIImageView| even though it does not
 // hold any image for testability: unlike |UIView|, a |UIImageView| that is
 // visible in the UI automation view hierarchy does not prevent its subviews
 // from also being visible.
 // TODO(blundell): Figure out how to fix this and have the top-level view be a
 // UIView. b/6167700
-@property(nonatomic, readonly, retain) ToolbarView* view;
+@property(nonatomic, readonly, strong) ToolbarView* view;
 // The view for the toolbar background image. This is a subview of |view| to
 // allow clients to alter the transparency of the background image without
 // affecting the other components of the toolbar.
-@property(nonatomic, readonly, retain) UIImageView* backgroundView;
+@property(nonatomic, readonly, strong) UIImageView* backgroundView;
 // The view for the toolbar shadow image.  This is a subview of |view| to allow
 // clients to alter the visibility of the shadow without affecting other
 // components of the toolbar.
-@property(nonatomic, readonly, retain) UIImageView* shadowView;
+@property(nonatomic, readonly, strong) UIImageView* shadowView;
 
 // The tools popup controller. Nil if the tools popup menu is not visible.
-@property(nonatomic, readonly, retain)
+@property(nonatomic, readonly, strong)
     ToolsPopupController* toolsPopupController;
 
 // Style of this toolbar.
 @property(nonatomic, readonly, assign) ToolbarControllerStyle style;
 
 // The reading list model reflected by the toolbar.
 @property(nonatomic, readwrite, assign) ReadingListModel* readingListModel;
 
 // Designated initializer.  |style| determines how the toolbar draws itself.
 - (instancetype)initWithStyle:(ToolbarControllerStyle)style
@@ skipping 141 matching lines @@
 
 // Called when transition animations can be removed.
 - (void)cleanUpTransitionAnimations;
 
 // Shows/hides iPhone toolbar views for when the new tab page is displayed.
 - (void)hideViewsForNewTabPage:(BOOL)hide;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_CONTROLLER_H_