Use an explicit PID for duplicating Pepper handles rather than the Channel's.

content/browser/plugin_service_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/browser/plugin_service_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 324 matching lines @@
 void PluginServiceImpl::OpenChannelToPpapiPlugin(
     const FilePath& plugin_path,
     const FilePath& profile_data_directory,
     PpapiPluginProcessHost::PluginClient* client) {
   PpapiPluginProcessHost* plugin_host = FindOrStartPpapiPluginProcess(
       plugin_path, profile_data_directory, client);
   if (plugin_host) {
     plugin_host->OpenChannelToPlugin(client);
   } else {
     // Send error.
-    client->OnPpapiChannelOpened(IPC::ChannelHandle(), 0);
+    client->OnPpapiChannelOpened(IPC::ChannelHandle(), base::kNullProcessId, 0);
   }
 }
 
 void PluginServiceImpl::OpenChannelToPpapiBroker(
     const FilePath& path,
     PpapiPluginProcessHost::BrokerClient* client) {
   PpapiPluginProcessHost* plugin_host = FindOrStartPpapiBrokerProcess(path);
   if (plugin_host) {
     plugin_host->OpenChannelToPlugin(client);
   } else {
     // Send error.
-    client->OnPpapiChannelOpened(IPC::ChannelHandle(), 0);
+    client->OnPpapiChannelOpened(IPC::ChannelHandle(), base::kNullProcessId, 0);
   }
 }
 
 void PluginServiceImpl::CancelOpenChannelToNpapiPlugin(
     PluginProcessHost::Client* client) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(ContainsKey(pending_plugin_clients_, client));
   pending_plugin_clients_.erase(client);
 }
 
@@ skipping 340 matching lines @@
 void PluginServiceImpl::GetInternalPlugins(
     std::vector<webkit::WebPluginInfo>* plugins) {
   plugin_list_->GetInternalPlugins(plugins);
 }
 
 webkit::npapi::PluginList* PluginServiceImpl::GetPluginList() {
   return plugin_list_;
 }
 
 }  // namespace content