Migrate performance monitor to inspector instrumentation.

third_party/WebKit/Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
@@ skipping 1979 matching lines @@
   // script. Kill the whole layoutObject if someone managed to get into here in
   // states not allowing tree mutations.
   RELEASE_ASSERT(lifecycle().stateAllowsTreeMutations());
 
   TRACE_EVENT_BEGIN1("blink,devtools.timeline", "UpdateLayoutTree", "beginData",
                      InspectorRecalculateStylesEvent::data(frame()));
 
   unsigned startElementCount = styleEngine().styleForElementCount();
 
   InspectorInstrumentation::willRecalculateStyle(this);
-  PerformanceMonitor::willRecalculateStyle(this);
 
   DocumentAnimations::updateAnimationTimingIfNeeded(*this);
   evaluateMediaQueryListIfNeeded();
   updateUseShadowTreesIfNeeded();
   updateDistribution();
   updateActiveStyle();
   updateStyleInvalidationIfNeeded();
 
   // FIXME: We should update style on our ancestor chain before proceeding
   // however doing so currently causes several tests to crash, as
@@ skipping 25 matching lines @@
   unsigned elementCount =
       styleEngine().styleForElementCount() - startElementCount;
 
   TRACE_EVENT_END1("blink,devtools.timeline", "UpdateLayoutTree",
                    "elementCount", elementCount);
 
 #if DCHECK_IS_ON()
   assertLayoutTreeUpdated(*this);
 #endif
   InspectorInstrumentation::didRecalculateStyle(this);
-  PerformanceMonitor::didRecalculateStyle(this);
 }
 
 void Document::updateActiveStyle() {
   DCHECK(isActive());
   DCHECK(isMainThread());
   TRACE_EVENT0("blink", "Document::updateActiveStyle");
   styleEngine().updateActiveStyle();
 }
 
 void Document::updateStyle() {
@@ skipping 4595 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (blink::Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif