Remove TabContents from constrained windows.

chrome/browser/ui/cocoa/constrained_window_mac.h

 // Copyright (c) 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 CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_nsobject.h"
 #include "chrome/browser/ui/constrained_window.h"
 
 class ConstrainedWindowMac;
 @class GTMWindowSheetController;
 @class NSView;
 @class NSWindow;
-class TabContents;
+
+namespace content {
+class WebContents;
+}
 
 // Window controllers that allow hosting constrained windows should
 // implement this protocol.
 @protocol ConstrainedWindowSupport
 
 - (GTMWindowSheetController*)sheetController;
 
 @end
 
 // Base class for constrained dialog delegates. Never inherit from this
@@ skipping 80 matching lines @@
 // Constrained window implementation for the Mac port. A constrained window
 // is a per-tab sheet on OS X.
 //
 // Constrained windows work slightly differently on OS X than on the other
 // platforms:
 // 1. A constrained window is bound to both a tab and window on OS X.
 // 2. The delegate is responsible for closing the sheet again when it is
 //    deleted.
 class ConstrainedWindowMac : public ConstrainedWindow {
  public:
-  ConstrainedWindowMac(TabContents* tab_contents,
+  ConstrainedWindowMac(content::WebContents* web_contents,
                        ConstrainedWindowMacDelegate* delegate);
   virtual ~ConstrainedWindowMac();
 
   // Overridden from ConstrainedWindow:
   virtual void ShowConstrainedWindow() OVERRIDE;
   virtual void CloseConstrainedWindow() OVERRIDE;
   virtual bool CanShowConstrainedWindow() OVERRIDE;
 
-  // Returns the TabContents that constrains this Constrained Window.
-  TabContents* owner() const { return tab_contents_; }
+  // Returns the WebContents that constrains this Constrained Window.
+  content::WebContents* owner() const { return web_contents_; }
 
   // Returns the window's delegate.
   ConstrainedWindowMacDelegate* delegate() { return delegate_; }
 
   // Makes the constrained window visible, if it is not yet visible.
   void Realize(NSWindowController<ConstrainedWindowSupport>* controller);
 
  private:
   friend class ConstrainedWindow;
 
-  // The TabContents that owns and constrains this ConstrainedWindow.
-  TabContents* tab_contents_;
+  // The WebContents that owns and constrains this ConstrainedWindow.
+  content::WebContents* web_contents_;
 
   // Delegate that provides the contents of this constrained window.
   ConstrainedWindowMacDelegate* delegate_;
 
   // Controller of the window that contains this sheet.
   NSWindowController<ConstrainedWindowSupport>* controller_;
 
   // Stores if |ShowConstrainedWindow()| was called.
   bool should_be_visible_;
 
   // True when CloseConstrainedWindow has been called.
   bool closing_;
 
   DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_MAC_H_