Make IPC::Channel polymorphic

win8/viewer/metro_viewer_process_host.cc

 // Copyright (c) 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 "win8/viewer/metro_viewer_process_host.h"
 
 #include <shlobj.h>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 67 matching lines @@
         ::CloseHandle(viewer_process);
       }
     }
     channel_->RemoveFilter(message_filter_);
   }
   instance_ = NULL;
 }
 
 base::ProcessId MetroViewerProcessHost::GetViewerProcessId() {
   if (channel_)
-    return channel_->peer_pid();
+    return channel_->GetPeerPID();
   return base::kNullProcessId;
 }
 
 bool MetroViewerProcessHost::LaunchViewerAndWaitForConnection(
     const base::string16& app_user_model_id) {
-  DCHECK_EQ(base::kNullProcessId, channel_->peer_pid());
+  DCHECK_EQ(base::kNullProcessId, channel_->GetPeerPID());
 
   channel_connected_event_.reset(new base::WaitableEvent(false, false));
 
   message_filter_ = new InternalMessageFilter(this);
   channel_->AddFilter(message_filter_);
 
   if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
     base::win::ScopedComPtr<IApplicationActivationManager> activator;
     HRESULT hr = activator.CreateInstance(CLSID_ApplicationActivationManager);
     if (SUCCEEDED(hr)) {
@@ skipping 230 matching lines @@
     const base::FilePath& folder) {
   if (success)
     select_folder_completion_callback_.Run(base::FilePath(folder), 0, NULL);
   else
     failure_callback_.Run(NULL);
   select_folder_completion_callback_.Reset();
   failure_callback_.Reset();
 }
 
 }  // namespace win8