EDK: Move {platform_handle,scoped_platform_handle}.* to //mojo/edk/platform.

mojo/edk/embedder/platform_channel_utils.cc

 // Copyright 2014 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 "mojo/edk/embedder/platform_channel_utils.h"
 
 #include <sys/socket.h>
 #include <sys/uio.h>
 #include <unistd.h>
 
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 #include "build/build_config.h"
 
+using mojo::platform::PlatformHandle;
+using mojo::platform::ScopedPlatformHandle;
+
 namespace mojo {
 namespace embedder {
 
 // On Linux, |SIGPIPE| is suppressed by passing |MSG_NOSIGNAL| to
 // |send()|/|sendmsg()|. (There is no way of suppressing |SIGPIPE| on
 // |write()|/|writev().) On Mac, |SIGPIPE| is suppressed by setting the
 // |SO_NOSIGPIPE| option on the socket.
 //
 // Performance notes:
 //  - On Linux, we have to use |send()|/|sendmsg()| rather than
@@ skipping 119 matching lines @@
         DCHECK(platform_handles->back().is_valid());
       }
     }
   }
 
   return result;
 }
 
 }  // namespace embedder
 }  // namespace mojo