Make IPC::Channel polymorphic

content/renderer/pepper/renderer_ppapi_host_impl.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/renderer/pepper/renderer_ppapi_host_impl.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 158 matching lines @@
 blink::WebPluginContainer* RendererPpapiHostImpl::GetContainerForInstance(
     PP_Instance instance) const {
   PepperPluginInstanceImpl* instance_object = GetAndValidateInstance(instance);
   if (!instance_object)
     return NULL;
   return instance_object->container();
 }
 
 base::ProcessId RendererPpapiHostImpl::GetPluginPID() const {
   if (dispatcher_)
-    return dispatcher_->channel()->peer_pid();
+    return dispatcher_->channel()->GetPeerPID();
   return base::kNullProcessId;
 }
 
 bool RendererPpapiHostImpl::HasUserGesture(PP_Instance instance) const {
   PepperPluginInstanceImpl* instance_object = GetAndValidateInstance(instance);
   if (!instance_object)
     return false;
 
   if (instance_object->module()->permissions().HasPermission(
           ppapi::PERMISSION_BYPASS_USER_GESTURE))
@@ skipping 81 matching lines @@
   PepperPluginInstanceImpl* instance =
       HostGlobals::Get()->GetInstance(pp_instance);
   if (!instance)
     return NULL;
   if (!instance->IsValidInstanceOf(module_))
     return NULL;
   return instance;
 }
 
 }  // namespace content