EDK: Make ConnectionManagerTest not use base::MessageLoop/RunLoop.

mojo/edk/base_edk/platform_message_loop_impl.h

 // Copyright 2015 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.
 
 // This file provides an implementation of |mojo::platform::MessageLoop| that
 // wraps a |base::MessageLoop|.
 
 #ifndef MOJO_EDK_BASE_EDK_PLATFORM_MESSAGE_LOOP_IMPL_H_
 #define MOJO_EDK_BASE_EDK_PLATFORM_MESSAGE_LOOP_IMPL_H_
 
@@ skipping 14 matching lines @@
 
   const base::MessageLoop& base_message_loop() const {
     return base_message_loop_;
   }
   base::MessageLoop& base_message_loop() { return base_message_loop_; }
 
   // |mojo::platform::MessageLoop| implementation:
   void Run() override;
   void RunUntilIdle() override;
   void QuitWhenIdle() override;
+  void QuitNow() override;
   const mojo::util::RefPtr<mojo::platform::TaskRunner>& GetTaskRunner()
       const override;
   bool IsRunningOnCurrentThread() const override;
 
  private:
   base::MessageLoop base_message_loop_;
   mojo::util::RefPtr<mojo::platform::TaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformMessageLoopImpl);
 };
 
 }  // namespace base_edk
 
 #endif  // MOJO_EDK_BASE_EDK_PLATFORM_MESSAGE_LOOP_IMPL_H_