[api] Remove HistogramTimerScope from high-frequency API-Functions

src/log.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_LOG_H_
 #define V8_LOG_H_
 
 #include <string>
 
 #include "src/allocation.h"
@@ skipping 362 matching lines @@
 
 template <class TimerEvent>
 class TimerEventScope {
  public:
   explicit TimerEventScope(Isolate* isolate) : isolate_(isolate) {
     LogTimerEvent(Logger::START);
   }
 
   ~TimerEventScope() { LogTimerEvent(Logger::END); }
 
+ private:
   void LogTimerEvent(Logger::StartEnd se);
-
- private:
   Isolate* isolate_;
 };
 
 class CodeEventLogger : public CodeEventListener {
  public:
   CodeEventLogger();
   ~CodeEventLogger() override;
 
   void CodeCreateEvent(LogEventsAndTags tag, AbstractCode* code,
                        const char* comment) override;
@@ skipping 23 matching lines @@
 
   NameBuffer* name_buffer_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 
 #endif  // V8_LOG_H_