Use macros to define pepper interfaces

ppapi/proxy/ppb_file_ref_proxy.cc

Index: ppapi/proxy/ppb_file_ref_proxy.cc
diff --git a/ppapi/proxy/ppb_file_ref_proxy.cc b/ppapi/proxy/ppb_file_ref_proxy.cc
index 0cf26bdbe318aa3b86246b35799b352def2eac79..49a113195d309180654293ea37f3cfda3a685961 100644
--- a/ppapi/proxy/ppb_file_ref_proxy.cc
+++ b/ppapi/proxy/ppb_file_ref_proxy.cc
@@ -24,15 +24,6 @@ using ppapi::thunk::ResourceCreationAPI;
 namespace ppapi {
 namespace proxy {
 
-namespace {
-
-InterfaceProxy* CreateFileRefProxy(Dispatcher* dispatcher,
-                                   const void* target_interface) {
-  return new PPB_FileRef_Proxy(dispatcher, target_interface);
-}
-
-}  // namespace
-
 class FileRef : public FileRefImpl {
  public:
   explicit FileRef(const PPB_FileRef_CreateInfo& info);
@@ -111,25 +102,13 @@ int32_t FileRef::Rename(PP_Resource new_file_ref,
   return PP_OK_COMPLETIONPENDING;
 }
 
-PPB_FileRef_Proxy::PPB_FileRef_Proxy(Dispatcher* dispatcher,
-                                     const void* target_interface)
-    : InterfaceProxy(dispatcher, target_interface) {
+PPB_FileRef_Proxy::PPB_FileRef_Proxy(Dispatcher* dispatcher)
+    : InterfaceProxy(dispatcher) {
 }
 
 PPB_FileRef_Proxy::~PPB_FileRef_Proxy() {
 }
 
-const InterfaceProxy::Info* PPB_FileRef_Proxy::GetInfo() {
-  static const Info info = {
-    thunk::GetPPB_FileRef_Thunk(),
-    PPB_FILEREF_INTERFACE,
-    INTERFACE_ID_PPB_FILE_REF,
-    false,
-    &CreateFileRefProxy,
-  };
-  return &info;
-}
-
 // static
 PP_Resource PPB_FileRef_Proxy::CreateProxyResource(PP_Resource file_system,
                                                    const char* path) {
@@ -179,7 +158,7 @@ PP_Resource PPB_FileRef_Proxy::DeserializeFileRef(
 void PPB_FileRef_Proxy::OnMsgCreate(const HostResource& file_system,
                                     const std::string& path,
                                     PPB_FileRef_CreateInfo* result) {
-  EnterFunctionNoLock<ResourceCreationAPI> enter(file_system.instance(), true);
+  thunk::EnterResourceCreation enter(file_system.instance());
   if (enter.failed())
     return;
   PP_Resource resource = enter.functions()->CreateFileRef(