ipc: Make a common subclass for Channel and ProxyChannel.

ipc/ipc_channel_proxy.cc

 // Copyright (c) 2012 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 "ipc/ipc_channel_proxy.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
@@ skipping 41 matching lines @@
 void ChannelProxy::Context::ClearIPCTaskRunner() {
   ipc_task_runner_ = NULL;
 }
 
 void ChannelProxy::Context::CreateChannel(scoped_ptr<ChannelFactory> factory) {
   base::AutoLock l(channel_lifetime_lock_);
   DCHECK(!channel_);
   channel_id_ = factory->GetName();
   channel_ = factory->BuildChannel(this);
   channel_send_thread_safe_ = channel_->IsSendThreadSafe();
-  channel_->set_attachment_broker_endpoint(attachment_broker_endpoint_);
+  channel_->SetAttachmentBrokerEndpoint(attachment_broker_endpoint_);
 }
 
 bool ChannelProxy::Context::TryFilters(const Message& message) {
   DCHECK(message_filter_router_);
 #ifdef IPC_MESSAGE_LOG_ENABLED
   Logging* logger = Logging::GetInstance();
   if (logger->Enabled())
     logger->OnPreDispatchMessage(message);
 #endif
 
@@ skipping 404 matching lines @@
       FROM_HERE, base::Bind(&Context::OnRemoveFilter, context_.get(),
                             make_scoped_refptr(filter)));
 }
 
 void ChannelProxy::ClearIPCTaskRunner() {
   DCHECK(CalledOnValidThread());
 
   context()->ClearIPCTaskRunner();
 }
 
+base::ProcessId ChannelProxy::GetPeerPID() const {
+  return context_->peer_pid_;
+}
+
+void ChannelProxy::OnSetAttachmentBrokerEndpoint() {
+  context()->set_attachment_broker_endpoint(is_attachment_broker_endpoint());
+}
+
 #if defined(OS_POSIX) && !defined(OS_NACL_SFI)
 // See the TODO regarding lazy initialization of the channel in
 // ChannelProxy::Init().
 int ChannelProxy::GetClientFileDescriptor() {
   DCHECK(CalledOnValidThread());
 
   Channel* channel = context_.get()->channel_.get();
   // Channel must have been created first.
   DCHECK(channel) << context_.get()->channel_id_;
   return channel->GetClientFileDescriptor();
 }
 
 base::ScopedFD ChannelProxy::TakeClientFileDescriptor() {
   DCHECK(CalledOnValidThread());
 
   Channel* channel = context_.get()->channel_.get();
   // Channel must have been created first.
   DCHECK(channel) << context_.get()->channel_id_;
   return channel->TakeClientFileDescriptor();
 }
 #endif
 
-void ChannelProxy::SetAttachmentBrokerEndpoint(bool is_endpoint) {
-  context()->set_attachment_broker_endpoint(is_endpoint);
-}
-
 //-----------------------------------------------------------------------------
 
 }  // namespace IPC