Convert over to channel handles

chrome/renderer/plugin_channel_host.cc

 // Copyright (c) 2010 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 "chrome/renderer/plugin_channel_host.h"
 
 #include "chrome/common/plugin_messages.h"
 #include "chrome/plugin/npobject_base.h"
 
 #if defined(OS_POSIX)
@@ skipping 50 matching lines @@
 bool PluginChannelHost::IsListening() {
   return IsListeningFilter::is_listening_;
 }
 
 // static
 void PluginChannelHost::SetListening(bool flag) {
   IsListeningFilter::is_listening_ = flag;
 }
 
 PluginChannelHost* PluginChannelHost::GetPluginChannelHost(
-    const std::string& channel_name, MessageLoop* ipc_message_loop) {
+    const IPC::ChannelHandle& channel_handle, MessageLoop* ipc_message_loop) {
   PluginChannelHost* result =
       static_cast<PluginChannelHost*>(PluginChannelBase::GetChannel(
-          channel_name,
+          channel_handle,
           IPC::Channel::MODE_CLIENT,
           ClassFactory,
           ipc_message_loop,
           true));
   return result;
 }
 
 PluginChannelHost::PluginChannelHost() : expecting_shutdown_(false) {
 }
 
 PluginChannelHost::~PluginChannelHost() {
 }
 
 bool PluginChannelHost::Init(MessageLoop* ipc_message_loop,
                              bool create_pipe_now) {
-#if defined(OS_POSIX)
-  if (!IPC::ChannelSocketExists(channel_name())) {
-    // Attempting to use this IPC channel would result in a crash
-    // inside IPC code within the PluginChannelBase::Init call.  The plugin
-    // channel in the plugin process is supposed to have created this channel
-    // and sent it to this process, the renderer process.  If this channel
-    // closes and is removed, it cannot be reused until the plugin process
-    // recreates it.
-    LOG(ERROR) << "Refusing use of missing IPC channel " << channel_name();
-    return false;
-  }
-#endif
-
   bool ret = PluginChannelBase::Init(ipc_message_loop, create_pipe_now);
   is_listening_filter_ = new IsListeningFilter;
   channel_->AddFilter(is_listening_filter_);
   return ret;
 }
 
 int PluginChannelHost::GenerateRouteID() {
   int route_id = MSG_ROUTING_NONE;
   Send(new PluginMsg_GenerateRouteID(&route_id));
 
@@ skipping 33 matching lines @@
 void PluginChannelHost::OnChannelError() {
   PluginChannelBase::OnChannelError();
 
   for (ProxyMap::iterator iter = proxies_.begin();
        iter != proxies_.end(); iter++) {
     iter->second->OnChannelError();
   }
 
   proxies_.clear();
 }