Revert of DevTools: add the logging aspect into the PerformanceMonitor

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

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 0a31cc4e76f58a871b2c8b87f6af4beab6785d8a..54659894d7a2efc16d6ea84f871490bc118562be 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -147,7 +147,6 @@
 #include "core/frame/HostsUsingFeatures.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
-#include "core/frame/PerformanceMonitor.h"
 #include "core/frame/Settings.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/DocumentNameCollection.h"
@@ -1871,7 +1870,6 @@
   unsigned startElementCount = styleEngine().styleForElementCount();
 
   InspectorInstrumentation::willRecalculateStyle(this);
-  PerformanceMonitor::willRecalculateStyle(this);
 
   DocumentAnimations::updateAnimationTimingIfNeeded(*this);
   evaluateMediaQueryListIfNeeded();
@@ -1916,7 +1914,6 @@
   assertLayoutTreeUpdated(*this);
 #endif
   InspectorInstrumentation::didRecalculateStyle(this);
-  PerformanceMonitor::didRecalculateStyle(this);
 }
 
 void Document::updateStyle() {