Use macros to define pepper interfaces

ppapi/proxy/ppp_instance_proxy.cc

Index: ppapi/proxy/ppp_instance_proxy.cc
diff --git a/ppapi/proxy/ppp_instance_proxy.cc b/ppapi/proxy/ppp_instance_proxy.cc
index 1da10bea074fdf76ba3793f3d3b87896f8e2f47e..aa4b7e7b8ff7e5c88422b3cc4abb7001498673a9 100644
--- a/ppapi/proxy/ppp_instance_proxy.cc
+++ b/ppapi/proxy/ppp_instance_proxy.cc
@@ -50,7 +50,7 @@ void DidChangeView(PP_Instance instance,
   HostDispatcher* dispatcher = HostDispatcher::GetForInstance(instance);
   const PPB_Fullscreen_Dev* fullscreen_interface =
       static_cast<const PPB_Fullscreen_Dev*>(
-          dispatcher->GetLocalInterface(PPB_FULLSCREEN_DEV_INTERFACE));
+          dispatcher->local_get_interface()(PPB_FULLSCREEN_DEV_INTERFACE));
   DCHECK(fullscreen_interface);
   PP_Bool fullscreen = fullscreen_interface->IsFullscreen(instance);
   dispatcher->Send(
@@ -73,7 +73,7 @@ PP_Bool HandleDocumentLoad(PP_Instance instance,
   // Set up the URLLoader for proxying.
 
   PPB_URLLoader_Proxy* url_loader_proxy = static_cast<PPB_URLLoader_Proxy*>(
-      dispatcher->GetOrCreatePPBInterfaceProxy(INTERFACE_ID_PPB_URL_LOADER));
+      dispatcher->GetInterfaceProxy(INTERFACE_ID_PPB_URL_LOADER));
   url_loader_proxy->PrepareURLLoaderForSendingToPlugin(url_loader);
 
   // PluginResourceTracker in the plugin process assumes that resources that it
@@ -83,7 +83,7 @@ PP_Bool HandleDocumentLoad(PP_Instance instance,
   // Please also see comments in PPP_Instance_Proxy::OnMsgHandleDocumentLoad()
   // about releasing of this extra reference.
   const PPB_Core* core = reinterpret_cast<const PPB_Core*>(
-      dispatcher->GetLocalInterface(PPB_CORE_INTERFACE));
+      dispatcher->local_get_interface()(PPB_CORE_INTERFACE));
   if (!core) {
     NOTREACHED();
     return PP_FALSE;
@@ -105,16 +105,21 @@ static const PPP_Instance_1_0 instance_interface_1_0 = {
   &HandleDocumentLoad
 };
 
-template <class PPP_Instance_Type>
-InterfaceProxy* CreateInstanceProxy(Dispatcher* dispatcher,
-                                    const void* target_interface) {
-  return new PPP_Instance_Proxy(
-      dispatcher,
-      static_cast<const PPP_Instance_Type*>(target_interface));
+InterfaceProxy* CreateInstanceProxy(Dispatcher* dispatcher) {
+  return new PPP_Instance_Proxy(dispatcher);
 }
 
 }  // namespace
 
+PPP_Instance_Proxy::PPP_Instance_Proxy(Dispatcher* dispatcher)
+    : InterfaceProxy(dispatcher) {
+  if (dispatcher->IsPlugin()) {
+    combined_interface_.reset(
+        new PPP_Instance_Combined(*static_cast<const PPP_Instance_1_0*>(
+            dispatcher->local_get_interface()(PPP_INSTANCE_INTERFACE_1_0))));
+  }
+}
+
 PPP_Instance_Proxy::~PPP_Instance_Proxy() {
 }
 
@@ -125,7 +130,7 @@ const InterfaceProxy::Info* PPP_Instance_Proxy::GetInfo1_0() {
     PPP_INSTANCE_INTERFACE_1_0,
     INTERFACE_ID_PPP_INSTANCE,
     false,
-    &CreateInstanceProxy<PPP_Instance_1_0>,
+    &CreateInstanceProxy
   };
   return &info;
 }