Mac: Animate the bookmark bar showing/hiding.

chrome/browser/cocoa/browser_window_controller.h

 // Copyright (c) 2009 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_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 26 matching lines @@
 class TabContents;
 @class TabContentsController;
 @class TabStripController;
 class TabStripModelObserverBridge;
 @class TabStripView;
 @class ToolbarController;
 @class TitlebarController;
 
 @interface BrowserWindowController :
   TabWindowController<NSUserInterfaceValidations,
+                      BookmarkBarControllerDelegate,
                       BookmarkBubbleControllerDelegate,
                       BrowserCommandExecutor,
                       ViewResizer,
                       GTMThemeDelegate> {
  @private
   // The ordering of these members is important as it determines the order in
   // which they are destroyed. |browser_| needs to be destroyed last as most of
   // the other objects hold weak references to it or things it owns
   // (tab/toolbar/bookmark models, profiles, etc).
   scoped_ptr<Browser> browser_;
@@ skipping 58 matching lines @@
 - (void)setIsLoading:(BOOL)isLoading;
 
 // Brings this controller's window to the front.
 - (void)activate;
 
 // Make the location bar the first responder, if possible.
 - (void)focusLocationBar;
 
 - (BOOL)isBookmarkBarVisible;
 
-// Called after the visibility perf changed.
-- (void)updateBookmarkBarVisibility;
+// Called after bookmark bar visibility changes (due to pref change or change in
+// tab/tab contents).
+- (void)updateBookmarkBarVisibilityWithAnimation:(BOOL)animate;
 
 - (BOOL)isDownloadShelfVisible;
 
 // Lazily creates the download shelf in visible state if it doesn't exist yet.
 - (DownloadShelfController*)downloadShelf;
 
 // Retains the given FindBarCocoaController and adds its view to this
 // browser window.  Must only be called once per
 // BrowserWindowController.
 - (void)addFindBar:(FindBarCocoaController*)findBarCocoaController;
@@ skipping 57 matching lines @@
 
 // Updates a bookmark sync UI item (expected to be a menu item).  This is
 // called every time the menu containing the sync UI item is displayed.
 - (void)updateSyncItem:(id)syncItem
            syncEnabled:(BOOL)syncEnabled
                 status:(SyncStatusUIHelper::MessageType)status;
 
 @end  // BrowserWindowController(TestingAPI)
 
 #endif  // CHROME_BROWSER_COCOA_BROWSER_WINDOW_CONTROLLER_H_