replace COMPILE_ASSERT with static_assert in ppapi/

ppapi/proxy/interface_list.cc

Index: ppapi/proxy/interface_list.cc
diff --git a/ppapi/proxy/interface_list.cc b/ppapi/proxy/interface_list.cc
index f2ed19a61b27a6bb46767291c9c5d3b7ce3ad5be..0d2b870d6fd3f9f2e806d51f35859c9895556381 100644
--- a/ppapi/proxy/interface_list.cc
+++ b/ppapi/proxy/interface_list.cc
@@ -333,7 +333,7 @@ void InterfaceList::SetProcessGlobalPermissions(
 
 InterfaceProxy::Factory InterfaceList::GetFactoryForID(ApiID id) const {
   int index = static_cast<int>(id);
-  COMPILE_ASSERT(API_ID_NONE == 0, none_must_be_zero);
+  static_assert(API_ID_NONE == 0, "none must be zero");
   if (id <= 0 || id >= API_ID_COUNT)
     return NULL;
   return id_to_factory_[index];