[oilpan] Rename PauseScope to SafePointScope

Source/heap/ThreadState.h

Index: Source/heap/ThreadState.h
diff --git a/Source/heap/ThreadState.h b/Source/heap/ThreadState.h
index 646102339f2a5f26127db32bdf7f63f547530ba5..ef8a80d0533d1aa89b082903dc82140a15c27cfa 100644
--- a/Source/heap/ThreadState.h
+++ b/Source/heap/ThreadState.h
@@ -234,10 +234,10 @@ public:
 
     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*);