Move lots of GMock stuff out of line.

media/base/mock_task.h

Index: media/base/mock_task.h
diff --git a/media/base/mock_task.h b/media/base/mock_task.h
index cb6e0de7f64415518b4e701316d0813d8fea11fc..6d418a18ec3fb8217e3443bd3eb4182520fbece7 100644
--- a/media/base/mock_task.h
+++ b/media/base/mock_task.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -63,17 +63,10 @@ ACTION(InvokeRunnable) {
 
 class TaskMocker {
  public:
-  TaskMocker()
-      : outstanding_tasks_(0) {
-  }
-  ~TaskMocker() {
-    CHECK(outstanding_tasks_ == 0)
-        << "If outstanding_tasks_ is not zero, tasks have been leaked.";
-  }
-
-  Task* CreateTask() {
-    return new CountingTask(this);
-  }
+  TaskMocker();
+  ~TaskMocker();
+
+  Task* CreateTask();
 
   MOCK_METHOD0(Run, void());