Mojo: Make Core own a PlatformSupport, and plumb it through to Channel.

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 <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 18 matching lines @@
 }
 
 Channel::EndpointInfo::EndpointInfo(scoped_refptr<MessagePipe> message_pipe,
                                     unsigned port)
     : state(STATE_NORMAL), message_pipe(message_pipe), port(port) {
 }
 
 Channel::EndpointInfo::~EndpointInfo() {
 }
 
-Channel::Channel()
-    : is_running_(false),
+Channel::Channel(embedder::PlatformSupport* platform_support)
+    : platform_support_(platform_support),
+      is_running_(false),
       is_shutting_down_(false),
       next_local_id_(kBootstrapEndpointId) {
 }
 
 bool Channel::Init(scoped_ptr<RawChannel> raw_channel) {
   DCHECK(creation_thread_checker_.CalledOnValidThread());
   DCHECK(raw_channel);
 
   // No need to take |lock_|, since this must be called before this object
   // becomes thread-safe.
@@ skipping 472 matching lines @@
   // TODO(vtl): Is this how we really want to handle this?
   // Sometimes we'll want to propagate the error back to the message pipe
   // (endpoint), and notify it that the remote is (effectively) closed.
   // Sometimes we'll want to kill the channel (and notify all the endpoints that
   // their remotes are dead.
   LOG(WARNING) << error_message;
 }
 
 }  // namespace system
 }  // namespace mojo