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// Copyright 2016 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.
#ifndef IOS_CHROME_BROWSER_IOS_CHROME_MAIN_PARTS_H_
#define IOS_CHROME_BROWSER_IOS_CHROME_MAIN_PARTS_H_
#include <memory>
#include "base/command_line.h"
#include "base/macros.h"
#include "base/metrics/field_trial.h"
#include "ios/chrome/browser/ios_chrome_field_trials.h"
#include "ios/web/public/app/web_main_parts.h"
class ApplicationContextImpl;
class PrefService;
class IOSChromeMainParts : public web::WebMainParts {
public:
explicit IOSChromeMainParts(const base::CommandLine& parsed_command_line);
~IOSChromeMainParts() override;
private:
// web::WebMainParts implementation.
void PreMainMessageLoopStart() override;
void PreCreateThreads() override;
void PreMainMessageLoopRun() override;
void PostMainMessageLoopRun() override;
void PostDestroyThreads() override;
// Sets up the field trials and related initialization. Call only after
// about:flags have been converted to switches.
void SetupFieldTrials();
// Constructs the metrics service and initializes metrics recording.
void SetupMetrics();
// Starts recording of metrics. This can only be called after we have a file
// thread.
void StartMetricsRecording();
const base::CommandLine& parsed_command_line_;
std::unique_ptr<ApplicationContextImpl> application_context_;
// Statistical testing infrastructure for the entire browser. NULL until
// SetUpMetricsAndFieldTrials is called.
std::unique_ptr<base::FieldTrialList> field_trial_list_;
PrefService* local_state_;
IOSChromeFieldTrials ios_field_trials_;
DISALLOW_COPY_AND_ASSIGN(IOSChromeMainParts);
};
#endif // IOS_CHROME_BROWSER_IOS_CHROME_MAIN_PARTS_H_