Mojo: Move platform handle/channel stuff in system to embedder namespace.

mojo/system/channel.cc

 // Copyright 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 "mojo/system/channel.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 19 matching lines @@
       port(port) {
 }
 
 Channel::EndpointInfo::~EndpointInfo() {
 }
 
 Channel::Channel()
     : next_local_id_(kBootstrapEndpointId) {
 }
 
-bool Channel::Init(ScopedPlatformHandle handle) {
+bool Channel::Init(embedder::ScopedPlatformHandle handle) {
   DCHECK(creation_thread_checker_.CalledOnValidThread());
 
   // No need to take |lock_|, since this must be called before this object
   // becomes thread-safe.
   DCHECK(!raw_channel_.get());
 
   raw_channel_.reset(
       RawChannel::Create(handle.Pass(), this, base::MessageLoop::current()));
   if (!raw_channel_->Init()) {
     raw_channel_.reset();
@@ skipping 155 matching lines @@
   LOG(WARNING) << error_message;
 }
 
 void Channel::HandleLocalError(const base::StringPiece& error_message) {
   // TODO(vtl): Is this how we really want to handle this?
   LOG(FATAL) << error_message;
 }
 
 }  // namespace system
 }  // namespace mojo