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

chrome/browser/ui/cocoa/reload_button.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.
-
-#ifndef CHROME_BROWSER_UI_COCOA_RELOAD_BUTTON_H_
-#define CHROME_BROWSER_UI_COCOA_RELOAD_BUTTON_H_
-#pragma once
-
-#import <Cocoa/Cocoa.h>
-
-#import "base/scoped_nsobject.h"
-
-// NSButton subclass which defers certain state changes when the mouse
-// is hovering over it.
-
-@interface ReloadButton : NSButton {
- @private
-  // Tracks whether the mouse is hovering for purposes of not making
-  // unexpected state changes.
-  BOOL isMouseInside_;
-  scoped_nsobject<NSTrackingArea> trackingArea_;
-
-  // Timer used when setting reload mode while the mouse is hovered.
-  scoped_nsobject<NSTimer> pendingReloadTimer_;
-}
-
-// Returns YES if the mouse is currently inside the bounds.
-- (BOOL)isMouseInside;
-
-// Update the tag, and the image and tooltip to match.  If |anInt|
-// matches the current tag, no action is taken.  |anInt| must be
-// either |IDC_STOP| or |IDC_RELOAD|.
-- (void)updateTag:(NSInteger)anInt;
-
-// Update the button to be a reload button or stop button depending on
-// |isLoading|.  If |force|, always sets the indicated mode.  If
-// |!force|, and the mouse is over the button, defer the transition
-// from stop button to reload button until the mouse has left the
-// button, or until |pendingReloadTimer_| fires.  This prevents an
-// inadvertent click _just_ as the state changes.
-- (void)setIsLoading:(BOOL)isLoading force:(BOOL)force;
-
-@end
-
-@interface ReloadButton (PrivateTestingMethods)
-+ (void)setPendingReloadTimeout:(NSTimeInterval)seconds;
-- (NSTrackingArea*)trackingArea;
-@end
-
-#endif  // CHROME_BROWSER_UI_COCOA_RELOAD_BUTTON_H_