Use macros to define pepper interfaces

ppapi/proxy/ppb_flash_clipboard_proxy.cc

Index: ppapi/proxy/ppb_flash_clipboard_proxy.cc
diff --git a/ppapi/proxy/ppb_flash_clipboard_proxy.cc b/ppapi/proxy/ppb_flash_clipboard_proxy.cc
index 38e3e5bff365acce7118ad46d3df4bd0220058e2..18918fc1038a07a667b2f0fc347d61132cc9b56e 100644
--- a/ppapi/proxy/ppb_flash_clipboard_proxy.cc
+++ b/ppapi/proxy/ppb_flash_clipboard_proxy.cc
@@ -88,16 +88,19 @@ const PPB_Flash_Clipboard flash_clipboard_interface = {
   &WritePlainText
 };
 
-InterfaceProxy* CreateFlashClipboardProxy(Dispatcher* dispatcher,
-                                          const void* target_interface) {
-  return new PPB_Flash_Clipboard_Proxy(dispatcher, target_interface);
+InterfaceProxy* CreateFlashClipboardProxy(Dispatcher* dispatcher) {
+  return new PPB_Flash_Clipboard_Proxy(dispatcher);
 }
 
 }  // namespace
 
-PPB_Flash_Clipboard_Proxy::PPB_Flash_Clipboard_Proxy(
-    Dispatcher* dispatcher, const void* target_interface)
-    : InterfaceProxy(dispatcher, target_interface) {
+PPB_Flash_Clipboard_Proxy::PPB_Flash_Clipboard_Proxy(Dispatcher* dispatcher)
+    : InterfaceProxy(dispatcher),
+      ppb_flash_clipboard_impl_(NULL) {
+  if (!dispatcher->IsPlugin()) {
+    ppb_flash_clipboard_impl_ = static_cast<const PPB_Flash_Clipboard*>(
+        dispatcher->local_get_interface()(PPB_FLASH_CLIPBOARD_INTERFACE));
+  }
 }
 
 PPB_Flash_Clipboard_Proxy::~PPB_Flash_Clipboard_Proxy() {
@@ -134,7 +137,7 @@ void PPB_Flash_Clipboard_Proxy::OnMsgIsFormatAvailable(
     int clipboard_type,
     int format,
     bool* result) {
-  *result = PP_ToBool(ppb_flash_clipboard_target()->IsFormatAvailable(
+  *result = PP_ToBool(ppb_flash_clipboard_impl_->IsFormatAvailable(
       instance_id,
       static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
       static_cast<PP_Flash_Clipboard_Format>(format)));
@@ -145,7 +148,7 @@ void PPB_Flash_Clipboard_Proxy::OnMsgReadPlainText(
     int clipboard_type,
     SerializedVarReturnValue result) {
   result.Return(dispatcher(),
-                ppb_flash_clipboard_target()->ReadPlainText(
+                ppb_flash_clipboard_impl_->ReadPlainText(
                     instance_id,
                     static_cast<PP_Flash_Clipboard_Type>(clipboard_type)));
 }
@@ -154,7 +157,7 @@ void PPB_Flash_Clipboard_Proxy::OnMsgWritePlainText(
     PP_Instance instance_id,
     int clipboard_type,
     SerializedVarReceiveInput text) {
-  int32_t result = ppb_flash_clipboard_target()->WritePlainText(
+  int32_t result = ppb_flash_clipboard_impl_->WritePlainText(
       instance_id,
       static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
       text.Get(dispatcher()));