Revert of Chrome power profiler service

content/browser/devtools/devtools_power_handler.cc

-// Copyright 2014 The Chromium 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 "content/browser/devtools/devtools_power_handler.h"
-
-#include "base/bind.h"
-#include "base/values.h"
-#include "content/browser/devtools/devtools_protocol_constants.h"
-#include "content/browser/power_profiler/power_profiler_service.h"
-
-namespace content {
-
-static inline base::Time convertMonotonicTimeToWallTime(
-    const base::TimeTicks& tick) {
-  return base::Time::UnixEpoch() + (tick - base::TimeTicks::UnixEpoch());
-}
-
-DevToolsPowerHandler::DevToolsPowerHandler() {
-  RegisterCommandHandler(devtools::Power::start::kName,
-                         base::Bind(&DevToolsPowerHandler::OnStart,
-                                    base::Unretained(this)));
-  RegisterCommandHandler(devtools::Power::end::kName,
-                         base::Bind(&DevToolsPowerHandler::OnEnd,
-                                    base::Unretained(this)));
-}
-
-DevToolsPowerHandler::~DevToolsPowerHandler() {
-}
-
-void DevToolsPowerHandler::OnPowerEvent(const PowerEventVector& events) {
-  base::DictionaryValue* params = new base::DictionaryValue();
-  base::ListValue* event_list = new base::ListValue();
-
-  std::vector<PowerEvent>::const_iterator iter;
-  for (iter = events.begin(); iter != events.end(); ++iter) {
-    base::DictionaryValue* event_body = new base::DictionaryValue();
-
-    DCHECK(iter->type < PowerEvent::ID_COUNT);
-    event_body->SetString("type", kPowerTypeNames[iter->type]);
-    event_body->SetDouble("timestamp",
-        convertMonotonicTimeToWallTime(iter->time).ToDoubleT() * 1000.0);
-    event_body->SetDouble("value", iter->value);
-    event_list->Append(event_body);
-  }
-
-  params->Set(devtools::Power::dataAvailable::kParamValue, event_list);
-  SendNotification(devtools::Power::dataAvailable::kName, params);
-}
-
-scoped_refptr<DevToolsProtocol::Response>
-DevToolsPowerHandler::OnStart(
-    scoped_refptr<DevToolsProtocol::Command> command) {
-  if (PowerProfilerService::GetInstance()->IsAvailable()) {
-    PowerProfilerService::GetInstance()->AddObserver(this);
-    return command->SuccessResponse(NULL);
-  }
-
-  return command->InternalErrorResponse("Power profiler service unavailable");
-}
-
-scoped_refptr<DevToolsProtocol::Response>
-DevToolsPowerHandler::OnEnd(scoped_refptr<DevToolsProtocol::Command> command) {
-  if (PowerProfilerService::GetInstance()->IsAvailable()) {
-    PowerProfilerService::GetInstance()->RemoveObserver(this);
-    return command->SuccessResponse(NULL);
-  }
-
-  return command->InternalErrorResponse("Power profiler service unavailable");
-}
-
-}  // namespace content