Add MessageLoopProxy::current

base/message_loop_proxy_impl_unittest.cc

 // Copyright (c) 2011 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.
 
 #include "base/message_loop_proxy_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
+#include "base/message_loop_proxy.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 
 class MessageLoopProxyImplTest : public testing::Test {
  public:
   void Release() const {
     AssertOnIOThread();
     Quit();
   }
 
   void Quit() const {
     loop_.PostTask(FROM_HERE, new MessageLoop::QuitTask);
   }
 
   void AssertOnIOThread() const {
     ASSERT_TRUE(io_thread_->message_loop_proxy()->BelongsToCurrentThread());
+    ASSERT_EQ(io_thread_->message_loop_proxy(),
+              base::MessageLoopProxy::current());
   }
 
   void AssertOnFileThread() const {
     ASSERT_TRUE(file_thread_->message_loop_proxy()->BelongsToCurrentThread());
+    ASSERT_EQ(file_thread_->message_loop_proxy(),
+              base::MessageLoopProxy::current());
   }
 
  protected:
   virtual void SetUp() {
     io_thread_.reset(new base::Thread("MessageLoopProxyImplTest_IO"));
     file_thread_.reset(new base::Thread("MessageLoopProxyImplTest_File"));
     io_thread_->Start();
     file_thread_->Start();
   }
 
@@ skipping 121 matching lines @@
     scoped_ptr<base::Thread> test_thread(
         new base::Thread("MessageLoopProxyImplTest_Dummy"));
     test_thread->Start();
     message_loop_proxy = test_thread->message_loop_proxy();
   }
   bool ret = message_loop_proxy->PostTask(
       FROM_HERE,
       base::Bind(&MessageLoopProxyImplTest::AssertNotRun));
   EXPECT_FALSE(ret);
 }