[oilpan] Rename PauseScope to SafePointScope

Source/WebKit/chromium/src/WebKit.cpp

Index: Source/WebKit/chromium/src/WebKit.cpp
diff --git a/Source/WebKit/chromium/src/WebKit.cpp b/Source/WebKit/chromium/src/WebKit.cpp
index 7590eaa9184a4596da5a44643fbe20fd53360039..a1becec3d63102b880d0be3f9d3113cbedf9de55 100644
--- a/Source/WebKit/chromium/src/WebKit.cpp
+++ b/Source/WebKit/chromium/src/WebKit.cpp
@@ -93,9 +93,9 @@ public:
     virtual void willProcessTask()
     {
         // FIXME(oilpan): instead of managing this state in the willProcessTask we need
-        // to explicitly manage paused state in the event loop itself.
-        if (!m_nesting && WebCore::ThreadState::MainThreadState()->isPaused())
-            WebCore::ThreadState::MainThreadState()->resumed();
+        // to explicitly manage thread state in the event loop itself.
+        if (!m_nesting && WebCore::ThreadState::MainThreadState()->isInSafePoint())

[Mads Ager (chromium), 2013/12/05 09:22:24]

isAtSafePoint?

[haraken, 2013/12/05 09:37:40]

Done. (I called it inSafePoint since we have ThreadState::isInGC and
ThreadState::m_inGC, and "safe point" sounds like some space to be
entered/left.)

+            WebCore::ThreadState::MainThreadState()->leaveSafePoint();
 
         m_nesting++;
     }
@@ -108,7 +108,7 @@ public:
 
         if (!m_nesting) {
             WebCore::ThreadState* threadState = WebCore::ThreadState::MainThreadState();
-            threadState->paused(WebCore::ThreadState::NoHeapPointersOnStack);
+            threadState->enterSafePoint(WebCore::ThreadState::NoHeapPointersOnStack);
         }
     }