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

mojo/edk/platform/message_loop.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 interface for "message loops", which are used within
 // the EDK itself.
 
 #ifndef MOJO_EDK_PLATFORM_MESSAGE_LOOP_H_
 #define MOJO_EDK_PLATFORM_MESSAGE_LOOP_H_
 
@@ skipping 10 matching lines @@
 // methods may only be called on the thread it was created on (the |MessageLoop|
 // is said to "belong to" that thread).
 //
 // In general, the result of running a |MessageLoop| "inside" a |MessageLoop|
 // (whether the same one -- the classic "nested message loop" case -- or a
 // different one) is implementation-defined.
 class MessageLoop {
  public:
   virtual ~MessageLoop() {}
 
-  // Runs the message loop until it is told to quit (via |QuitWhenIdle()|).
+  // Runs the message loop until it is told to quit (via |QuitNow() or
+  // |QuitWhenIdle()|).
   virtual void Run() = 0;
 
   // Runs the message loop until there are no more tasks available to execute
   // immediately (i.e., not including delayed tasks).
   virtual void RunUntilIdle() = 0;
 
-  // Quits the message loop when there are no more tasks available to execute
-  // immediately. (Note that this includes "future" tasks, i.e., those that are
-  // posted as a result of executing other tasks, so this may never quit.
-  // However, it does not include delayed tasks.)
-  // TODO(vtl): Do we also want a |QuitNow()|?
+  // If running, quits the message loop when there are no more tasks available
+  // to execute immediately. (Note that this includes "future" tasks, i.e.,
+  // those that are posted as a result of executing other tasks, so this may
+  // never quit. However, it does not include delayed tasks.)
   virtual void QuitWhenIdle() = 0;
 
+  // If running, quits the message loop now (i.e., do not process any further
+  // tasks until |Run()| or |RunUntilIdle()|) is called again.
+  virtual void QuitNow() = 0;
+
   // Gets the |TaskRunner| for this message loop, which can be used to post
   // tasks to it. For a given |MessageLoop| instance, this will always return a
   // reference to the same |TaskRunner| (and different |MessageLoop| instances
   // have different |TaskRunner|s). This may be called from any thread (and
   // returned |TaskRunner| is also thread-safe).
   //
   // Note: The returned |TaskRunner| should only claim to run tasks on the
   // thread which this message loop belongs to.
   virtual const mojo::util::RefPtr<TaskRunner>& GetTaskRunner() const = 0;
 
@@ skipping 11 matching lines @@
   MessageLoop() {}
 
  private:
   MOJO_DISALLOW_COPY_AND_ASSIGN(MessageLoop);
 };
 
 }  // namespace platform
 }  // namespace mojo
 
 #endif  // MOJO_EDK_PLATFORM_MESSAGE_LOOP_H_