Use macros to define pepper interfaces

ppapi/proxy/resource_creation_proxy.cc

Index: ppapi/proxy/resource_creation_proxy.cc
diff --git a/ppapi/proxy/resource_creation_proxy.cc b/ppapi/proxy/resource_creation_proxy.cc
index 0a0c791bbdbc07d1d372bbf69b006d1ed54a3f7f..f3ee425bcf332b51f0d0106633017d4b963fa78c 100644
--- a/ppapi/proxy/resource_creation_proxy.cc
+++ b/ppapi/proxy/resource_creation_proxy.cc
@@ -45,12 +45,17 @@ namespace ppapi {
 namespace proxy {
 
 ResourceCreationProxy::ResourceCreationProxy(Dispatcher* dispatcher)
-    : dispatcher_(dispatcher) {
+    : InterfaceProxy(dispatcher) {
 }
 
 ResourceCreationProxy::~ResourceCreationProxy() {
 }
 
+// static
+InterfaceProxy* ResourceCreationProxy::Create(Dispatcher* dispatcher) {
+  return new ResourceCreationProxy(dispatcher);
+}
+
 ResourceCreationAPI* ResourceCreationProxy::AsResourceCreationAPI() {
   return this;
 }
@@ -337,7 +342,7 @@ PP_Resource ResourceCreationProxy::CreateWheelInputEvent(
 }
 
 bool ResourceCreationProxy::Send(IPC::Message* msg) {
-  return dispatcher_->Send(msg);
+  return dispatcher()->Send(msg);
 }
 
 bool ResourceCreationProxy::OnMessageReceived(const IPC::Message& msg) {
@@ -395,14 +400,14 @@ void ResourceCreationProxy::OnMsgCreateImageData(
   // Get the shared memory handle.
   const PPB_ImageDataTrusted* trusted =
       reinterpret_cast<const PPB_ImageDataTrusted*>(
-          dispatcher_->GetLocalInterface(PPB_IMAGEDATA_TRUSTED_INTERFACE));
+          dispatcher()->local_get_interface()(PPB_IMAGEDATA_TRUSTED_INTERFACE));
   uint32_t byte_count = 0;
   if (trusted) {
     int32_t handle;
     if (trusted->GetSharedMemory(resource, &handle, &byte_count) == PP_OK) {
 #if defined(OS_WIN)
       ImageHandle ih = ImageData::HandleFromInt(handle);
-      *result_image_handle = dispatcher_->ShareHandleWithRemote(ih, false);
+      *result_image_handle = dispatcher()->ShareHandleWithRemote(ih, false);
 #else
       *result_image_handle = ImageData::HandleFromInt(handle);
 #endif