Add support for external out-of-process PPAPI plugins in the browser.

content/browser/ppapi_plugin_process_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/browser/ppapi_plugin_process_host.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
@@ skipping 153 matching lines @@
           ppapi::PpapiPermissions::GetForCommandLine(info.permissions)),
       network_observer_(new PluginNetworkObserver(this)),
       profile_data_directory_(profile_data_directory),
       is_broker_(false) {
   process_.reset(new BrowserChildProcessHostImpl(
       PROCESS_TYPE_PPAPI_PLUGIN, this));
 
   filter_ = new PepperMessageFilter(PepperMessageFilter::PLUGIN,
                                     host_resolver);
 
-  host_impl_ = new BrowserPpapiHostImpl(this, permissions_);
+  host_impl_.reset(new BrowserPpapiHostImpl(this, permissions_));
 
   file_filter_ = new PepperTrustedFileMessageFilter(
       process_->GetData().id, info.name, profile_data_directory);
 
   process_->GetHost()->AddFilter(filter_.get());
   process_->GetHost()->AddFilter(file_filter_.get());
-  process_->GetHost()->AddFilter(host_impl_.get());
+  process_->GetHost()->AddFilter(host_impl_->message_filter());
 
-  GetContentClient()->browser()->DidCreatePpapiPlugin(host_impl_);
+  GetContentClient()->browser()->DidCreatePpapiPlugin(host_impl_.get());
 }
 
 PpapiPluginProcessHost::PpapiPluginProcessHost()
     : is_broker_(true) {
   process_.reset(new BrowserChildProcessHostImpl(
       PROCESS_TYPE_PPAPI_BROKER, this));
 
   ppapi::PpapiPermissions permissions;  // No permissions.
-  host_impl_ = new BrowserPpapiHostImpl(this, permissions);
+  host_impl_.reset(new BrowserPpapiHostImpl(this, permissions));
 }
 
 bool PpapiPluginProcessHost::Init(const PepperPluginInfo& info) {
   plugin_path_ = info.path;
   if (info.name.empty()) {
     process_->SetName(plugin_path_.BaseName().LossyDisplayName());
   } else {
     process_->SetName(UTF8ToUTF16(info.name));
   }
 
@@ skipping 156 matching lines @@
 
   // All requests should be processed FIFO, so the next item in the
   // sent_requests_ queue should be the one that the plugin just created.
   Client* client = sent_requests_.front();
   sent_requests_.pop();
 
   client->OnPpapiChannelOpened(channel_handle, process_->GetData().id);
 }
 
 }  // namespace content