Make the Pepper proxy support in-process font rendering.

ppapi/proxy/host_dispatcher.h

Index: ppapi/proxy/host_dispatcher.h
===================================================================
--- ppapi/proxy/host_dispatcher.h	(revision 84713)
+++ ppapi/proxy/host_dispatcher.h	(working copy)
@@ -46,9 +46,9 @@
   // You must call this function before anything else. Returns true on success.
   // The delegate pointer must outlive this class, ownership is not
   // transferred.
-  virtual bool InitHostWithChannel(ProxyChannel::Delegate* delegate,
-                                     const IPC::ChannelHandle& channel_handle,
-                                     bool is_client);
+  virtual bool InitHostWithChannel(Delegate* delegate,
+                                   const IPC::ChannelHandle& channel_handle,
+                                   bool is_client);
 
   // The host side maintains a mapping from PP_Instance to Dispatcher so
   // that we can send the messages to the right channel.