Make IPC::Channel polymorphic

content/common/gpu/client/gpu_channel_host.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 "content/common/gpu/client/gpu_channel_host.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 248 matching lines @@
 
 base::SharedMemoryHandle GpuChannelHost::ShareToGpuProcess(
     base::SharedMemoryHandle source_handle) {
   if (IsLost())
     return base::SharedMemory::NULLHandle();
 
 #if defined(OS_WIN)
   // Windows needs to explicitly duplicate the handle out to another process.
   base::SharedMemoryHandle target_handle;
   if (!BrokerDuplicateHandle(source_handle,
-                             channel_->peer_pid(),
+                             channel_->GetPeerPID(),
                              &target_handle,
                              FILE_GENERIC_READ | FILE_GENERIC_WRITE,
                              0)) {
     return base::SharedMemory::NULLHandle();
   }
 
   return target_handle;
 #else
   int duped_handle = HANDLE_EINTR(dup(source_handle.fd));
   if (duped_handle < 0)
@@ skipping 110 matching lines @@
 
   listeners_.clear();
 }
 
 bool GpuChannelHost::MessageFilter::IsLost() const {
   AutoLock lock(lock_);
   return lost_;
 }
 
 }  // namespace content