[Mac] Organize some files into chrome/browser/ui/cocoa/tab_contents/....

chrome/browser/ui/cocoa/tab_contents_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_UI_COCOA_TAB_CONTENTS_CONTROLLER_H_
-#define CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_CONTROLLER_H_
-#pragma once
-
-#include <Cocoa/Cocoa.h>
-
-#include "base/scoped_ptr.h"
-
-class TabContents;
-class TabContentsNotificationBridge;
-@class TabContentsController;
-
-// The interface for the tab contents view controller's delegate.
-
-@protocol TabContentsControllerDelegate
-
-// Tells the delegate when the tab contents view's frame is about to change.
-- (void)tabContentsViewFrameWillChange:(TabContentsController*)source
-                             frameRect:(NSRect)frameRect;
-
-@end
-
-// A class that controls the TabContents view. It manages displaying the
-// native view for a given TabContents.
-// Note that just creating the class does not display the view. We defer
-// inserting it until the box is the correct size to avoid multiple resize
-// messages to the renderer. You must call |-ensureContentsVisible| to display
-// the render widget host view.
-
-@interface TabContentsController : NSViewController {
- @private
-  TabContents* contents_;  // weak
-  // Delegate to be notified about size changes.
-  id<TabContentsControllerDelegate> delegate_;  // weak
-  scoped_ptr<TabContentsNotificationBridge> tabContentsBridge_;
-}
-@property(readonly, nonatomic) TabContents* tabContents;
-
-- (id)initWithContents:(TabContents*)contents
-              delegate:(id<TabContentsControllerDelegate>)delegate;
-
-// Call when the tab contents is about to be replaced with the currently
-// selected tab contents to do not trigger unnecessary content relayout.
-- (void)ensureContentsSizeDoesNotChange;
-
-// Call when the tab view is properly sized and the render widget host view
-// should be put into the view hierarchy.
-- (void)ensureContentsVisible;
-
-// Call to change the underlying tab contents object. View is not changed,
-// call |-ensureContentsVisible| to display the |newContents|'s render widget
-// host view.
-- (void)changeTabContents:(TabContents*)newContents;
-
-// Called when the tab contents is the currently selected tab and is about to be
-// removed from the view hierarchy.
-- (void)willBecomeUnselectedTab;
-
-// Called when the tab contents is about to be put into the view hierarchy as
-// the selected tab. Handles things such as ensuring the toolbar is correctly
-// enabled.
-- (void)willBecomeSelectedTab;
-
-// Called when the tab contents is updated in some non-descript way (the
-// notification from the model isn't specific). |updatedContents| could reflect
-// an entirely new tab contents object.
-- (void)tabDidChange:(TabContents*)updatedContents;
-
-@end
-
-#endif  // CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_CONTROLLER_H_