Remove hacks for GC stress builders from cctests.

test/cctest/test-debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6625 matching lines @@
 // Test that GetEventContext doesn't fail and return empty handle for
 // ScriptCollected events.
 TEST(ScriptCollectedEventContext) {
   i::FLAG_stress_compaction = false;
   v8::Isolate* isolate = v8::Isolate::GetCurrent();
   v8::internal::Debug* debug =
       reinterpret_cast<v8::internal::Isolate*>(isolate)->debug();
   script_collected_message_count = 0;
   v8::HandleScope scope(isolate);
 
-  // TODO(mstarzinger): This test relies explicit GCs being the only
-  // ones triggered. Remove this temporary workaround once we skip
-  // running cctests on the GC stress builder.
-  i::FLAG_gc_interval = -1;
-
   v8::Persistent<v8::Context> context;
   {
     v8::HandleScope scope(isolate);
     context.Reset(isolate, v8::Context::New(isolate));
   }
 
   // Enter context.  We can't have a handle to the context in the outer
   // scope, so we have to do it the hard way.
   {
     v8::HandleScope scope(isolate);
@@ skipping 941 matching lines @@
 TEST(LiveEditDisabled) {
   v8::internal::FLAG_allow_natives_syntax = true;
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::Debug::SetLiveEditEnabled(false);
   CompileRun("%LiveEditCompareStrings('', '')");
 }
 
 
 #endif  // ENABLE_DEBUGGER_SUPPORT