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

chrome/browser/ui/cocoa/cookie_tree_node.h

-// Copyright (c) 2010 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.
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/scoped_nsobject.h"
-#include "chrome/browser/cookies_tree_model.h"
-#include "chrome/browser/ui/cocoa/cookie_details.h"
-
-@interface CocoaCookieTreeNode : NSObject {
-  scoped_nsobject<NSString> title_;
-  scoped_nsobject<NSMutableArray> children_;
-  scoped_nsobject<CocoaCookieDetails> details_;
-  CookieTreeNode* treeNode_;  // weak
-}
-
-// Designated initializer.
-- (id)initWithNode:(CookieTreeNode*)node;
-
-// Re-sets all the members of the node based on |treeNode_|.
-- (void)rebuild;
-
-// Common getters..
-- (NSString*)title;
-- (CocoaCookieDetailsType)nodeType;
-- (ui::TreeModelNode*)treeNode;
-
-// |-mutableChildren| exists so that the CookiesTreeModelObserverBridge can
-// operate on the children. Note that this lazily creates children.
-- (NSMutableArray*)mutableChildren;
-- (NSArray*)children;
-- (BOOL)isLeaf;
-
-- (CocoaCookieDetails*)details;
-
-@end