Check kMaxDescriptorsPerMessage in test_packaged_app.cc

ppapi/tests/extensions/packaged_app/test_packaged_app.cc

Index: ppapi/tests/extensions/packaged_app/test_packaged_app.cc
diff --git a/ppapi/tests/extensions/packaged_app/test_packaged_app.cc b/ppapi/tests/extensions/packaged_app/test_packaged_app.cc
index bdbc68386a0f27c43bc9a27ec6c9b18fea7d5a57..0f47205a37398f22ab6eb687be3e70da7a77dc43 100644
--- a/ppapi/tests/extensions/packaged_app/test_packaged_app.cc
+++ b/ppapi/tests/extensions/packaged_app/test_packaged_app.cc
@@ -17,6 +17,12 @@
 #include "ppapi/cpp/var.h"
 #include "ppapi/utility/completion_callback_factory.h"
 
+#if defined(__clang__)
+// ipc_message_attachment_set.h depends on C++11 which nacl-g++ does not
+// fully support.
+#include "ipc/ipc_message_attachment_set.h"
+#endif
+
 namespace {
 
 std::string g_last_error;
@@ -24,10 +30,14 @@ pp::Instance* g_instance = NULL;
 
 // This should be the same as MessageAttachmentSet::kMaxDescriptorsPerMessage in
 // ipc/ipc_message_attachment_set.h.
-// TODO(yusukes): Once all the NaCl toolchains support C++11, Add
-// #include "ipc/file_descriptor_set_posix.h" and remove the constant.
 const size_t kMaxDescriptorsPerMessage = 128;
 
+#if defined(__clang__)
+static_assert(kMaxDescriptorsPerMessage ==
+              IPC::MessageAttachmentSet::kMaxDescriptorsPerMessage,
+              "kMaxDescriptorsPerMessage is not up to date");
+#endif
+
 // Returns true if the resource file whose name is |key| exists and its content
 // matches |content|.
 bool LoadManifestInternal(nacl_irt_resource_open* nacl_irt_resource_open,