Hide knowledge of webkit::ppapi::Plugin from chrome. This is part of moving ppapi implementation fr…

webkit/plugins/ppapi/plugin_module.cc

Index: webkit/plugins/ppapi/plugin_module.cc
===================================================================
--- webkit/plugins/ppapi/plugin_module.cc	(revision 213146)
+++ webkit/plugins/ppapi/plugin_module.cc	(working copy)
@@ -480,18 +480,20 @@
   out_of_process_proxy_.reset(out_of_process_proxy);
 }
 
-scoped_refptr<PluginModule> PluginModule::CreateModuleForNaClInstance() {
+scoped_refptr<PluginModule>
+    PluginModule::CreateModuleForExternalPluginInstance() {
   // Create a new module, but don't set the lifetime delegate. This isn't a
   // plugin in the usual sense, so it isn't tracked by the browser.
-  scoped_refptr<PluginModule> nacl_module(
+  scoped_refptr<PluginModule> external_plugin_module(
       new PluginModule(name_,
                        path_,
                        NULL,  // no lifetime_delegate
                        permissions_));
-  return nacl_module;
+  return external_plugin_module;
 }
 
-PP_NaClResult PluginModule::InitAsProxiedNaCl(PluginInstance* instance) {
+PP_ExternalPluginResult PluginModule::InitAsProxiedExternalPlugin(
+    PluginInstance* instance) {
   DCHECK(out_of_process_proxy_.get());
   // InitAsProxied (for the trusted/out-of-process case) initializes only the
   // module, and one or more instances are added later. In this case, the