Bug 1451859 - Part 3: In FUZZER builds, do not crash on malfored IPC messages. r=jld, r=posidron

dom/ipc/ContentParent.cpp

@@ -1560,8 +1560,10 @@ ContentParent::ProcessingError(Result aCode, const char* aReason)
   if (MsgDropped == aCode) {
     return;
   }
+#ifndef FUZZING
   // Other errors are big deals.
   KillHard(aReason);
+#endif
 }
 
 /* static */

ipc/glue/ProtocolUtils.cpp

@@ -311,7 +311,9 @@ LogicError(const char* aMsg)
 void
 ActorIdReadError(const char* aActorDescription)
 {
+#ifndef FUZZING
   MOZ_CRASH_UNSAFE_PRINTF("Error deserializing id for %s", aActorDescription);
+#endif
 }
 
 void