Revert of [Tracing] V8 Tracing Controller

src/libplatform/tracing/trace-object.cc

Index: src/libplatform/tracing/trace-object.cc
diff --git a/src/libplatform/tracing/trace-object.cc b/src/libplatform/tracing/trace-object.cc
deleted file mode 100644
index f8a827409d28872ed93df8a430b2dc86cc54698a..0000000000000000000000000000000000000000
--- a/src/libplatform/tracing/trace-object.cc
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2016 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.
-
-#include "include/libplatform/v8-tracing.h"
-
-#include "src/base/platform/platform.h"
-#include "src/base/platform/time.h"
-
-namespace v8 {
-namespace platform {
-namespace tracing {
-
-void TraceObject::Initialize(char phase, const uint8_t* category_enabled_flag,
-                             const char* name, const char* scope, uint64_t id,
-                             uint64_t bind_id, int num_args,
-                             const char** arg_names, const uint8_t* arg_types,
-                             const uint64_t* arg_values, unsigned int flags) {
-  pid_ = base::OS::GetCurrentProcessId();
-  tid_ = base::OS::GetCurrentThreadId();
-  phase_ = phase;
-  category_enabled_flag_ = category_enabled_flag;
-  name_ = name;
-  scope_ = scope;
-  id_ = id;
-  bind_id_ = bind_id;
-  num_args_ = num_args;
-  flags_ = flags;
-  ts_ = base::TimeTicks::HighResolutionNow().ToInternalValue();
-  tts_ = base::ThreadTicks::Now().ToInternalValue();
-  duration_ = 0;
-  cpu_duration_ = 0;
-}
-
-void TraceObject::UpdateDuration() {
-  duration_ = base::TimeTicks::HighResolutionNow().ToInternalValue() - ts_;
-  cpu_duration_ = base::ThreadTicks::Now().ToInternalValue() - tts_;
-}
-
-void TraceObject::InitializeForTesting(
-    char phase, const uint8_t* category_enabled_flag, const char* name,
-    const char* scope, uint64_t id, uint64_t bind_id, int num_args,
-    const char** arg_names, const uint8_t* arg_types,
-    const uint64_t* arg_values, unsigned int flags, int pid, int tid,
-    int64_t ts, int64_t tts, uint64_t duration, uint64_t cpu_duration) {
-  pid_ = pid;
-  tid_ = tid;
-  phase_ = phase;
-  category_enabled_flag_ = category_enabled_flag;
-  name_ = name;
-  scope_ = scope;
-  id_ = id;
-  bind_id_ = bind_id;
-  num_args_ = num_args;
-  flags_ = flags;
-  ts_ = ts;
-  tts_ = tts;
-  duration_ = duration;
-  cpu_duration_ = cpu_duration;
-}
-
-}  // namespace tracing
-}  // namespace platform
-}  // namespace v8