Mojo C++ bindings: fix Pause/Resume for MultiplexRouter.

mojo/public/cpp/bindings/lib/multiplex_router.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.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_LIB_MULTIPLEX_ROUTER_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_MULTIPLEX_ROUTER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 84 matching lines @@
     return connector_.PassMessagePipe();
   }
 
   // Blocks the current thread until the first incoming message, or |deadline|.
   bool WaitForIncomingMessage(MojoDeadline deadline) {
     DCHECK(thread_checker_.CalledOnValidThread());
     return connector_.WaitForIncomingMessage(deadline);
   }
 
   // See Binding for details of pause/resume.
-  void PauseIncomingMethodCallProcessing() {
-    DCHECK(thread_checker_.CalledOnValidThread());
-    connector_.PauseIncomingMethodCallProcessing();
-  }
-  void ResumeIncomingMethodCallProcessing() {
-    DCHECK(thread_checker_.CalledOnValidThread());
-    connector_.ResumeIncomingMethodCallProcessing();
-  }
+  void PauseIncomingMethodCallProcessing();
+  void ResumeIncomingMethodCallProcessing();
 
   // Whether there are any associated interfaces running currently.
   bool HasAssociatedEndpoints() const;
 
   // Sets this object to testing mode.
   // In testing mode, the object doesn't disconnect the underlying message pipe
   // when it receives unexpected or invalid messages.
   void EnableTestingMode();
 
   // Is the router bound to a message pipe handle?
@@ skipping 99 matching lines @@
 
   std::deque<std::unique_ptr<Task>> tasks_;
   // It refers to tasks in |tasks_| and doesn't own any of them.
   std::map<InterfaceId, std::deque<Task*>> sync_message_tasks_;
 
   bool posted_to_process_tasks_;
   scoped_refptr<base::SingleThreadTaskRunner> posted_to_task_runner_;
 
   bool encountered_error_;
 
+  bool paused_;
+
   bool testing_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiplexRouter);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_MULTIPLEX_ROUTER_H_