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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_PUBLIC_TEST_TEST_BROWSER_THREAD_H_
      6 #define CONTENT_PUBLIC_TEST_TEST_BROWSER_THREAD_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "content/public/browser/browser_thread.h"
     11 
     12 namespace base {
     13 class MessageLoop;
     14 class Thread;
     15 }
     16 
     17 namespace content {
     18 
     19 class TestBrowserThreadImpl;
     20 
     21 // A BrowserThread for unit tests; this lets unit tests in chrome/ create
     22 // BrowserThread instances.
     23 class TestBrowserThread {
     24  public:
     25   explicit TestBrowserThread(BrowserThread::ID identifier);
     26   TestBrowserThread(BrowserThread::ID identifier,
     27                     base::MessageLoop* message_loop);
     28   ~TestBrowserThread();
     29 
     30   // We provide a subset of the capabilities of the Thread interface
     31   // to enable certain unit tests.  To avoid a stronger dependency of
     32   // the internals of BrowserThread, we do not provide the full Thread
     33   // interface.
     34 
     35   // Starts the thread with a generic message loop.
     36   bool Start();
     37 
     38   // Starts the thread with an IOThread message loop.
     39   bool StartIOThread();
     40 
     41   // Stops the thread.
     42   void Stop();
     43 
     44   // Returns true if the thread is running.
     45   bool IsRunning();
     46 
     47   // Returns a Thread pointer for the thread. This should not be used
     48   // in new tests.
     49   base::Thread* DeprecatedGetThreadObject();
     50 
     51  private:
     52   scoped_ptr<TestBrowserThreadImpl> impl_;
     53 
     54   DISALLOW_COPY_AND_ASSIGN(TestBrowserThread);
     55 };
     56 
     57 }  // namespace content
     58 
     59 #endif  // CONTENT_PUBLIC_TEST_TEST_BROWSER_THREAD_H_
     60