Make the Pepper proxy support in-process font rendering.

ppapi/proxy/host_dispatcher.cc

Index: ppapi/proxy/host_dispatcher.cc
===================================================================
--- ppapi/proxy/host_dispatcher.cc	(revision 84713)
+++ ppapi/proxy/host_dispatcher.cc	(working copy)
@@ -90,10 +90,13 @@
 }
 
 bool HostDispatcher::InitHostWithChannel(
-    ProxyChannel::Delegate* delegate,
+    Delegate* delegate,
     const IPC::ChannelHandle& channel_handle,
     bool is_client) {
-  return Dispatcher::InitWithChannel(delegate, channel_handle, is_client);
+  if (!Dispatcher::InitWithChannel(delegate, channel_handle, is_client))
+    return false;
+  SetDelegate(delegate);
+  return true;
 }
 
 // static