Convert over to channel handles

chrome/renderer/plugin_channel_host.h

Index: chrome/renderer/plugin_channel_host.h
diff --git a/chrome/renderer/plugin_channel_host.h b/chrome/renderer/plugin_channel_host.h
index 1a46c209ecf361378ccc34d4a1a7250ab2f13b47..c55c0ef29c3a85b377c945d5162310bcb4755d18 100644
--- a/chrome/renderer/plugin_channel_host.h
+++ b/chrome/renderer/plugin_channel_host.h
@@ -8,6 +8,7 @@
 
 #include "base/hash_tables.h"
 #include "chrome/plugin/plugin_channel_base.h"
+#include "ipc/ipc_channel_handle.h"
 
 class IsListeningFilter;
 class NPObjectBase;
@@ -17,7 +18,7 @@ class NPObjectBase;
 class PluginChannelHost : public PluginChannelBase {
  public:
   static PluginChannelHost* GetPluginChannelHost(
-      const std::string& channel_name, MessageLoop* ipc_message_loop);
+      const IPC::ChannelHandle& channel_handle, MessageLoop* ipc_message_loop);
 
   virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now);