Make the Pepper proxy support in-process font rendering.

ppapi/proxy/dispatcher.cc

Index: ppapi/proxy/dispatcher.cc
===================================================================
--- ppapi/proxy/dispatcher.cc	(revision 84713)
+++ ppapi/proxy/dispatcher.cc	(working copy)
@@ -181,6 +181,7 @@
 Dispatcher::Dispatcher(base::ProcessHandle remote_process_handle,
                        GetInterfaceFunc local_get_interface)
     : ProxyChannel(remote_process_handle),
+      dispatcher_delegate_(NULL),
       disallow_trusted_interfaces_(false),  // TODO(brettw) make this settable.
       local_get_interface_(local_get_interface),
       callback_tracker_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
@@ -241,6 +242,11 @@
   return list->id_to_plugin_info_[id];
 }
 
+void Dispatcher::SetDelegate(Delegate* delegate) {
+  DCHECK(!dispatcher_delegate_);
+  dispatcher_delegate_ = delegate;
+}
+
 void Dispatcher::SetSerializationRules(
     VarSerializationRules* var_serialization_rules) {
   serialization_rules_.reset(var_serialization_rules);