Mojo C++ bindings

mojo/shell/app_container.cc

 // Copyright (c) 2013 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 "base/bind.h"
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/native_library.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
@@ skipping 53 matching lines @@
   // Launch the app on its own thread.
   // TODO(beng): Create a unique thread name.
   thread_.reset(new base::Thread("app_thread"));
   thread_->Start();
   thread_->message_loop_proxy()->PostTaskAndReply(
       FROM_HERE,
       base::Bind(&LaunchAppOnThread, app_path, app_handle),
       base::Bind(&AppContainer::AppCompleted, weak_factory_.GetWeakPtr()));
 
   const char* hello_msg = "Hello";
-  result = WriteMessage(shell_handle_, hello_msg, strlen(hello_msg)+1,
+  result = WriteMessage(shell_handle_, hello_msg,
+                        static_cast<uint32_t>(strlen(hello_msg)+1),
                         NULL, 0, MOJO_WRITE_MESSAGE_FLAG_NONE);
   if (result < MOJO_RESULT_OK) {
     // Failure..
   }
 }
 
 
 void AppContainer::AppCompleted() {
   thread_.reset();
   Close(shell_handle_);
 
   // Probably want to do something more sophisticated here, like notify someone
   // else to do this.
   base::MessageLoop::current()->Quit();
 }
 
 }  // namespace shell
 }  // namespace mojo