Bug 1135591 - Fix build breakage from bug 1132153 in code conditional on '--enable-ipdl-tests'. r=dholbert

ipc/ipdl/test/cxx/IPDLUnitTests.template.cpp

@@ -22,6 +22,8 @@ ${INCLUDES}
 
 using namespace std;
 
+using base::Thread;
+
 namespace mozilla {
 namespace _ipdltest {
 

ipc/ipdl/test/cxx/TestOpens.cpp

@@ -20,6 +20,9 @@ struct RunnableMethodTraits<mozilla::_ipdltest2::TestOpensOpenedChild>
 
 using namespace mozilla::ipc;
 
+using base::ProcessHandle;
+using base::Thread;
+
 namespace mozilla {
 // NB: this is generally bad style, but I am lazy.
 using namespace _ipdltest;