[oilpan] Rename PauseScope to SafePointScope

Source/heap/tests/HeapTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. 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
@@ skipping 1866 matching lines @@
 };
 
 DEFINE_GC_INFO(SimpleObject);
 
 class TestGCScope {
 public:
     TestGCScope()
         : m_state(ThreadState::Current())
     {
         m_state->checkThread();
-        ASSERT(m_state->isPaused() == m_state->isInGC());
+        ASSERT(m_state->isInSafePoint() == m_state->isInGC());
         if (!m_state->isInGC())
             ThreadState::stopThreads(ThreadState::HeapPointersOnStack);
         m_state->enterGC();
         Heap::makeConsistentForGC();
     }
 
     ~TestGCScope()
     {
         m_state->leaveGC();
         if (!m_state->isInGC())
@@ skipping 909 matching lines @@
 {
     HeapTester::checkAndVisitPointer();
 }
 
 TEST(heap, HeapCollectionWithFinalizers)
 {
     HeapTester::heapCollectionWithFinalizers();
 }
 
 } // namespace WebCore