Convert Filter::Seek() to use new callback system.

media/base/mock_callback.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 "media/base/mock_callback.h"
 
+#include "base/bind.h"
+
 using ::testing::_;
 using ::testing::StrictMock;
 
 namespace media {
 
 MockCallback::MockCallback() {}
 
 MockCallback::~MockCallback() {
   Destructor();
 }
@@ skipping 27 matching lines @@
   return callback;
 }
 
 MockStatusCallback* NewExpectedStatusCallback(PipelineStatus status) {
   StrictMock<MockStatusCallback>* callback =
       new StrictMock<MockStatusCallback>();
   callback->ExpectRunAndDelete(status);
   return callback;
 }
 
+class MockStatusCB : public base::RefCountedThreadSafe<MockStatusCB> {
+ public:
+  MockStatusCB() {}
+  virtual ~MockStatusCB() {}
+
+  MOCK_METHOD1(Run, void(PipelineStatus));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockStatusCB);
+};
+
+base::Callback<void(PipelineStatus)> NewExpectedStatusCB(
+    PipelineStatus status) {
+  StrictMock<MockStatusCB>* callback = new StrictMock<MockStatusCB>();
+  EXPECT_CALL(*callback, Run(status));
+  return base::Bind(&MockStatusCB::Run, callback);
+}
+
 }  // namespace media