Make the Pepper proxy support in-process font rendering.

ppapi/proxy/plugin_dispatcher.cc

Index: ppapi/proxy/plugin_dispatcher.cc
===================================================================
--- ppapi/proxy/plugin_dispatcher.cc	(revision 84549)
+++ ppapi/proxy/plugin_dispatcher.cc	(working copy)
@@ -79,6 +79,7 @@
     bool is_client) {
   if (!Dispatcher::InitWithChannel(delegate, channel_handle, is_client))
     return false;
+  SetDelegate(delegate);
 
   // The message filter will intercept and process certain messages directly
   // on the I/O thread.
@@ -201,6 +202,12 @@
   return (it == instance_map_.end()) ? NULL : &it->second;
 }
 
+void PluginDispatcher::PostToWebKitThread(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task) {
+  return dispatcher_delegate_->PostToWebKitThread(from_here, task);
+}
+
 ::ppapi::shared_impl::FunctionGroupBase* PluginDispatcher::GetFunctionAPI(
     pp::proxy::InterfaceID id) {
   if (function_proxies_[id].get())