|  | // Copyright 2014 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 IOS_CHROME_BROWSER_MEMORY_MEMORY_DEBUGGER_H_ | 
|  | #define IOS_CHROME_BROWSER_MEMORY_MEMORY_DEBUGGER_H_ | 
|  |  | 
|  | #import <UIKit/UIKit.h> | 
|  |  | 
|  | // A view that contains memory information (e.g. amount of free memory) and | 
|  | // tools (e.g. trigger memory warning) to help investigate memory issues and | 
|  | // performance. | 
|  | // | 
|  | // The debugger ensures that it remains visible by continuously calling | 
|  | // bringSubviewToFront on it's parent so it should be added as a subview of the | 
|  | // the application's window in order to stay visible all the times. | 
|  | // | 
|  | // The debugger owns some timers that must be invalidated before it can be | 
|  | // deallocated so the owner must call |invalidateTimers| before a MemoryDebugger | 
|  | // instance can be deallocated. | 
|  | @interface MemoryDebugger : UIView<UITextFieldDelegate> | 
|  | // Must be called before the object can be deallocated! | 
|  | - (void)invalidateTimers; | 
|  | @end | 
|  |  | 
|  | #endif  // IOS_CHROME_BROWSER_MEMORY_MEMORY_DEBUGGER_H_ |