[oilpan] Rename PauseScope to SafePointScope

Source/heap/ThreadState.h

 /*
  * 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 216 matching lines @@
 
     static ThreadState* Current();
     static ThreadState* MainThreadState() { return &s_mainThreadState; }
     static bool IsMainThread() { return Current() == MainThreadState(); }
 
     static void stopThreads(StackState);
     static void resumeThreads();
 
     void safePoint();
 
-    class PauseScope {
+    class SafePointScope {
     public:
-        PauseScope(StackState stackState) { ThreadState::Current()->paused(stackState); }
-        ~PauseScope() { ThreadState::Current()->resumed(); }
+        SafePointScope(StackState stackState) { ThreadState::Current()->paused(stackState); }

[Mads Ager (chromium), 2013/12/05 08:39:42]

As discussed offline we should change the names of paused/resumed to
enterSafePoint/leaveSafePoint.

+        ~SafePointScope() { ThreadState::Current()->resumed(); }
     };
 
     void visitStack(Visitor*);
     void visitPersistents(Visitor*);
     bool checkAndVisitPointer(Visitor*, Address);
     bool isConsistentForGC();
     void makeConsistentForGC();
     void getStats(HeapStats&);
     HeapStats& stats() { return m_stats; }
     HeapStats& statsAfterLastGC() { return m_statsAfterLastGC; }
@@ skipping 142 matching lines @@
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WTF, Int32Array);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WTF, Uint32Array);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WTF, Float32Array);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WTF, Float64Array);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WebKit, IDBCallbacksProxy);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WebKit, IDBDatabaseBackendProxy);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WebKit, IDBDatabaseCallbacksProxy);
 REQUIRE_THREADSAFE_HANDLES_WITH_NAMESPACE(WebKit, IDBFactoryBackendProxy);
 
 #endif