Get rid of distinction between below- and above-watermark in page allocation....

test/cctest/test-threads.cc

 // Copyright 2008 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 90 matching lines @@
  public:
   void Run() {
     do {
       {
         v8::Locker locker;
         if (turn == CLEAN_CACHE) {
           v8::HandleScope scope;
           v8::Context::Scope context_scope(v8::Context::New());
 
           // Clear the caches by forcing major GC.
-          v8::internal::Heap::CollectAllGarbage(false);
+          v8::internal::Heap::CollectAllGarbage(v8::internal::Heap::kNoGCFlags);
           turn = SECOND_TIME_FILL_CACHE;
           break;
         }
       }
 
       Thread::YieldCPU();
     } while (true);
   }
 };
 
 
 TEST(JSFunctionResultCachesInTwoThreads) {
   v8::V8::Initialize();
 
   ThreadA threadA;
   ThreadB threadB;
 
   threadA.Start();
   threadB.Start();
 
   threadA.Join();
   threadB.Join();
 
   CHECK_EQ(DONE, turn);
 }