Revamp style resolver stats

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 27 matching lines @@
 #include "MallocStatistics.h"
 #include "MockPagePopupDriver.h"
 #include "RuntimeEnabledFeatures.h"
 #include "TypeConversions.h"
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/SerializedScriptValue.h"
 #include "bindings/v8/V8ThrowException.h"
 #include "core/animation/DocumentTimeline.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/css/resolver/StyleResolver.h"
+#include "core/css/resolver/StyleResolverStats.h"
 #include "core/css/resolver/ViewportStyleResolver.h"
 #include "core/dom/ClientRect.h"
 #include "core/dom/ClientRectList.h"
 #include "core/dom/DOMStringList.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentMarker.h"
 #include "core/dom/DocumentMarkerController.h"
 #include "core/dom/Element.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/FullscreenElementStack.h"
@@ skipping 238 matching lines @@
         return false;
     Resource* resource = memoryCache()->resourceForURL(contextDocument()->completeURL(url));
     return resource && resource->status() == Resource::Cached;
 }
 
 void Internals::crash()
 {
     CRASH();
 }
 
+void Internals::setStyleResolverStatsEnabled(bool enabled)
+{
+    Document* document = contextDocument();
+    if (enabled)
+        document->styleResolver()->enableStats(StyleResolver::ReportSlowStats);
+    else
+        document->styleResolver()->disableStats();
+}
+
+String Internals::styleResolverStatsReport(ExceptionState& es) const
+{
+    Document* document = contextDocument();
+    if (!document->styleResolver()->stats()) {
+        es.throwDOMException(InvalidStateError, "Style resolver stats not enabled");
+        return String();
+    }
+    return document->styleResolver()->stats()->report();
+}
+
+String Internals::styleResolverStatsTotalsReport(ExceptionState& es) const
+{
+    Document* document = contextDocument();
+    if (!document->styleResolver()->statsTotals()) {
+        es.throwDOMException(InvalidStateError, "Style resolver stats not enabled");
+        return String();
+    }
+    return document->styleResolver()->statsTotals()->report();
+}
+
 PassRefPtr<Element> Internals::createContentElement(ExceptionState& es)
 {
     Document* document = contextDocument();
     if (!document) {
         es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return 0;
     }
 
     return HTMLContentElement::create(*document);
 }
@@ skipping 1945 matching lines @@
     }
 
     document->updateLayout();
 
     RenderView* view = document->renderView();
     if (view->compositor())
         view->compositor()->updateCompositingLayers(CompositingUpdateFinishAllDeferredWork);
 }
 
 }