[Mac] First pass at multiple selection in the tabstrip.

chrome/browser/ui/cocoa/tabs/tab_controller.h

 // Copyright (c) 2011 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_UI_COCOA_TABS_TAB_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 #import "chrome/browser/ui/cocoa/hover_close_button.h"
@@ skipping 31 matching lines @@
   IBOutlet NSView* iconView_;
   IBOutlet NSTextField* titleView_;
   IBOutlet HoverCloseButton* closeButton_;
 
   NSRect originalIconFrame_;  // frame of iconView_ as loaded from nib
   BOOL isIconShowing_;  // last state of iconView_ in updateVisibility
 
   BOOL app_;
   BOOL mini_;
   BOOL pinned_;
+  BOOL active_;
   BOOL selected_;
   GURL url_;
   TabLoadingState loadingState_;
   CGFloat iconTitleXOffset_;  // between left edges of icon and title
   id<TabControllerTarget> target_;  // weak, where actions are sent
   SEL action_;  // selector sent when tab is selected by clicking
-  scoped_ptr<TabMenuModel> contextMenuModel_;
+  scoped_ptr<ui::SimpleMenuModel> contextMenuModel_;
   scoped_ptr<TabControllerInternal::MenuDelegate> contextMenuDelegate_;
   scoped_nsobject<MenuController> contextMenuController_;
 }
 
 @property(assign, nonatomic) TabLoadingState loadingState;
 
 @property(assign, nonatomic) SEL action;
 @property(assign, nonatomic) BOOL app;
 @property(assign, nonatomic) BOOL mini;
 @property(assign, nonatomic) BOOL pinned;
+// Note that |-selected| will return YES if the controller is |-active|, too.
+// |-setSelected:| affects the selection, while |-setActive:| affects the key
+// status/focus of the content.
+@property(assign, nonatomic) BOOL active;
 @property(assign, nonatomic) BOOL selected;
 @property(assign, nonatomic) id target;
 @property(assign, nonatomic) GURL url;
 @property(assign, nonatomic) NSView* iconView;
 @property(assign, nonatomic) NSTextField* titleView;
 @property(assign, nonatomic) HoverCloseButton* closeButton;
 
 // Minimum and maximum allowable tab width. The minimum width does not show
 // the icon or the close button. The selected tab always has at least a close
 // button so it has a different minimum width.
@@ skipping 35 matching lines @@
 @end
 
 @interface TabController(TestingAPI)
 - (NSString*)toolTip;
 - (int)iconCapacity;
 - (BOOL)shouldShowIcon;
 - (BOOL)shouldShowCloseButton;
 @end  // TabController(TestingAPI)
 
 #endif  // CHROME_BROWSER_UI_COCOA_TABS_TAB_CONTROLLER_H_