Use macros to define pepper interfaces

ppapi/proxy/ppb_buffer_proxy.cc

Index: ppapi/proxy/ppb_buffer_proxy.cc
diff --git a/ppapi/proxy/ppb_buffer_proxy.cc b/ppapi/proxy/ppb_buffer_proxy.cc
index d9092fe4f688acfffcebc8332c471989658608f7..957108a4e5f01f1e486d32bc3a14b1067a9e9d07 100644
--- a/ppapi/proxy/ppb_buffer_proxy.cc
+++ b/ppapi/proxy/ppb_buffer_proxy.cc
@@ -17,20 +17,12 @@
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_buffer_trusted_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
 #include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace proxy {
 
-namespace {
-
-InterfaceProxy* CreateBufferProxy(Dispatcher* dispatcher,
-                                  const void* target_interface) {
-  return new PPB_Buffer_Proxy(dispatcher, target_interface);
-}
-
-}  // namespace
-
 Buffer::Buffer(const HostResource& resource,
                const base::SharedMemoryHandle& shm_handle,
                uint32_t size)
@@ -69,27 +61,14 @@ void Buffer::Unmap() {
     shm_.Unmap();
 }
 
-PPB_Buffer_Proxy::PPB_Buffer_Proxy(Dispatcher* dispatcher,
-                                   const void* target_interface)
-    : InterfaceProxy(dispatcher, target_interface) {
+PPB_Buffer_Proxy::PPB_Buffer_Proxy(Dispatcher* dispatcher)
+    : InterfaceProxy(dispatcher) {
 }
 
 PPB_Buffer_Proxy::~PPB_Buffer_Proxy() {
 }
 
 // static
-const InterfaceProxy::Info* PPB_Buffer_Proxy::GetInfo() {
-  static const Info info = {
-    thunk::GetPPB_Buffer_Thunk(),
-    PPB_BUFFER_DEV_INTERFACE,
-    INTERFACE_ID_PPB_BUFFER,
-    false,
-    &CreateBufferProxy,
-  };
-  return &info;
-}
-
-// static
 PP_Resource PPB_Buffer_Proxy::CreateProxyResource(PP_Instance instance,
                                                   uint32_t size) {
   PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
@@ -135,10 +114,15 @@ void PPB_Buffer_Proxy::OnMsgCreate(
   HostDispatcher* dispatcher = HostDispatcher::GetForInstance(instance);
   if (!dispatcher)
     return;
-  PP_Resource local_buffer_resource =
-      ppb_buffer_target()->Create(instance, size);
+
+  thunk::EnterResourceCreation enter(instance);
+  if (enter.failed())
+    return;
+  PP_Resource local_buffer_resource = enter.functions()->CreateBuffer(instance,
+                                                                      size);
   if (local_buffer_resource == 0)
     return;
+
   thunk::EnterResourceNoLock<thunk::PPB_BufferTrusted_API> trusted_buffer(
       local_buffer_resource, false);
   if (trusted_buffer.failed())