[oilpan] Rename PauseScope to SafePointScope

Tools/DumpRenderTree/chromium/DumpRenderTree.cpp

 /*
  * Copyright (C) 2012 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 107 matching lines @@
           shell.setDumpWhenFinished(isLastLoad);
           shell.resetTestController();
           shell.runFileTest(params, command.shouldDumpPixels || forceDumpPixels);
       }
     } else {
       shell.resetTestController();
       shell.runFileTest(params, command.shouldDumpPixels || forceDumpPixels);
     }
     shell.setLayoutTestTimeout(oldTimeoutMsec);
 
-    // FIXME(oilpan): we mark thread as paused after each task completion (see HandleScopeManager). This causes us to arrive here in a paused state which is wrong.
-    // Need a better integration of the main thread event loop with the ThreadState, but it is outside of WebKit. So for now just forcefully reset paused state.
-    WebCore::ThreadState::Current()->resumed();
+    // FIXME(oilpan): Enter thread in safe point after each task completion.
+    // This causes us to arrive here in a paused state which is wrong.
+    // Need a better integration of the main thread event loop with the ThreadState,
+    // but it is outside of WebKit. So for now just forcefully leave safe point.
+    WebCore::ThreadState::Current()->leaveSafePoint();
     shell.callJSGC();
     if (WebCore::RuntimeEnabledFeatures::timeMeasurementEnabled())
         fprintf(stderr, "RecalcStyle = %lf ms\n", recalcStyleStat.accumulated());
 }
 
 int main(int argc, char* argv[])
 {
     intptr_t stackMark;
     WebKitSupportTestEnvironment testEnvironment(&stackMark);
     platformInit(&argc, &argv);
@@ skipping 143 matching lines @@
         shell.callJSGC();
 
         // When we finish the last test, cleanup the DRTTestRunner.
         // It may have references to not-yet-cleaned up windows. By cleaning up
         // here we help purify reports.
         shell.resetTestController();
     }
 
     return EXIT_SUCCESS;
 }