Revert of DevTools: add the logging aspect into the PerformanceMonitor

third_party/WebKit/Source/core/frame/PerformanceMonitor.h

Index: third_party/WebKit/Source/core/frame/PerformanceMonitor.h
diff --git a/third_party/WebKit/Source/core/frame/PerformanceMonitor.h b/third_party/WebKit/Source/core/frame/PerformanceMonitor.h
index 3d6178766484455967d4924588f2b813fc42faf4..3fb59dac08b04b748976cf2c95b0c469d750d9a3 100644
--- a/third_party/WebKit/Source/core/frame/PerformanceMonitor.h
+++ b/third_party/WebKit/Source/core/frame/PerformanceMonitor.h
@@ -6,7 +6,6 @@
 #define PerformanceMonitor_h
 
 #include "core/CoreExport.h"
-#include "core/inspector/ConsoleTypes.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/scheduler/base/task_time_observer.h"
@@ -14,12 +13,10 @@
 namespace blink {
 
 class DOMWindow;
-class Document;
 class ExecutionContext;
 class Frame;
 class LocalFrame;
 class Performance;
-class SourceLocation;
 
 // Performance monitor for Web Performance APIs and logging.
 // The monitor is maintained per local root.
@@ -32,28 +29,12 @@
   WTF_MAKE_NONCOPYABLE(PerformanceMonitor);
 
  public:
-  // Instrumenting methods, TODO: codegen those.
   static void performanceObserverAdded(Performance*);
   static void performanceObserverRemoved(Performance*);
   static void willExecuteScript(ExecutionContext*);
-  static void didExecuteScript(ExecutionContext*);
-  static void willUpdateLayout(Document*);
-  static void didUpdateLayout(Document*);
-  static void willRecalculateStyle(Document*);
-  static void didRecalculateStyle(Document*);
-
-  // Direct logging API for core.
-  static bool enabled(ExecutionContext*);
-  static void logViolation(MessageLevel, ExecutionContext*, const String&);
-  static void logViolation(MessageLevel,
-                           ExecutionContext*,
-                           const String&,
-                           std::unique_ptr<SourceLocation>);
 
   explicit PerformanceMonitor(LocalFrame*);
   ~PerformanceMonitor();
-
-  void setLoggingEnabled(bool);
 
   DECLARE_VIRTUAL_TRACE();
 
@@ -63,19 +44,10 @@
 
   static PerformanceMonitor* instrumentingMonitor(ExecutionContext*);
 
-  void updateInstrumentation();
+  void enable();
+  void disable();
 
   void innerWillExecuteScript(ExecutionContext*);
-  void didExecuteScript();
-  void willUpdateLayout();
-  void didUpdateLayout();
-  void willRecalculateStyle();
-  void didRecalculateStyle();
-
-  void logViolation(MessageLevel, const String&);
-  void logViolation(MessageLevel,
-                    const String&,
-                    std::unique_ptr<SourceLocation>);
 
   // WebThread::TaskObserver implementation.
   void willProcessTask() override;
@@ -91,11 +63,6 @@
       Frame* observerFrame);
 
   bool m_enabled = false;
-  bool m_loggingEnabled = false;
-  bool m_isExecutingScript = false;
-  double m_layoutStartTime = 0;
-  double m_styleStartTime = 0;
-  double m_perTaskStyleAndLayoutTime = 0;
   Member<LocalFrame> m_localRoot;
   HeapHashSet<Member<Frame>> m_frameContexts;
   HeapHashSet<Member<Performance>> m_webPerformanceObservers;