Move media library AutoTaskRunner to base and rename ScopedTaskRunner.

media/filters/decoder_base_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 <vector>
 
 #include "base/bind.h"
 #include "media/base/data_buffer.h"
 #include "media/base/mock_callback.h"
 #include "media/base/mock_filters.h"
@@ skipping 35 matching lines @@
   MOCK_METHOD2(DoSeek, void(base::TimeDelta time, Task* done_cb));
   MOCK_METHOD1(DoDecode, void(Buffer* input));
 
  private:
   FRIEND_TEST(DecoderBaseTest, FlowControl);
 
   DISALLOW_COPY_AND_ASSIGN(MockDecoderImpl);
 };
 
 ACTION(Initialize) {
-  AutoTaskRunner done_runner(arg2);
+  base::ScopedTaskRunner done_runner(arg2);
   *arg1 = true;
 }
 
 ACTION_P(SaveDecodeRequest, list) {
   scoped_refptr<Buffer> buffer(arg0);
   list->push_back(buffer);
 }
 
 ACTION(CompleteDemuxRequest) {
   arg0.Run(new DataBuffer(0));
@@ skipping 58 matching lines @@
   message_loop.RunAllPending();
 
   // Stop.
   EXPECT_CALL(*decoder, DoStop(_))
       .WillOnce(WithArg<0>(InvokeRunnable()));
   decoder->Stop(NewExpectedCallback());
   message_loop.RunAllPending();
 }
 
 }  // namespace media