DevTools: remove PerformanceMonitor::HandlerCall, migrate to the new scoped probes.

third_party/WebKit/Source/core/frame/VisualViewport.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 266 matching lines @@
 
     enqueueScrollEvent();
 
     mainFrame()->view()->didChangeScrollOffset();
     valuesChanged = true;
   }
 
   if (!valuesChanged)
     return false;
 
-  probe::didUpdateLayout(mainFrame());
+  probe::didChangeViewport(mainFrame());
   mainFrame()->loader().saveScrollState();
 
   clampToBoundaries();
 
   return true;
 }
 
 bool VisualViewport::magnifyScaleAroundAnchor(float magnifyDelta,
                                               const FloatPoint& anchor) {
   const float oldPageScale = scale();
@@ skipping 557 matching lines @@
   } else if (graphicsLayer == m_rootTransformLayer.get()) {
     name = "Root Transform Layer";
   } else {
     ASSERT_NOT_REACHED();
   }
 
   return name;
 }
 
 }  // namespace blink