Revert "Componentize chrome/browser/rlz"

components/rlz/rlz_tracker_delegate.h

-// Copyright 2015 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 COMPONENTS_RLZ_RLZ_TRACKER_DELEGATE_H_
-#define COMPONENTS_RLZ_RLZ_TRACKER_DELEGATE_H_
-
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "base/threading/sequenced_worker_pool.h"
-
-namespace base {
-class SequencedWorkerPool;
-}
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-namespace rlz {
-
-// RLZTrackerDelegate is an abstract interface that provides access to embedder
-// specific singletons or gives information about the embedder environment.
-class RLZTrackerDelegate {
- public:
-  RLZTrackerDelegate() {}
-  virtual ~RLZTrackerDelegate() {}
-
-  // Invoked during RLZTracker cleanup, to request the cleanup of the delegate.
-  virtual void Cleanup() = 0;
-
-  // Returns whether the current thread is the UI thread.
-  virtual bool IsOnUIThread() = 0;
-
-  // Returns the SequencedWorkerPool where the RLZTracker will post its tasks
-  // that should be executed in the background.
-  virtual base::SequencedWorkerPool* GetBlockingPool() = 0;
-
-  // Returns the URLRequestContextGetter to use for network connections.
-  virtual net::URLRequestContextGetter* GetRequestContext() = 0;
-
-  // Returns the brand code for the installation of Chrome in |brand| and a
-  // boolean indicating whether the operation was a success or not.
-  virtual bool GetBrand(std::string* brand) = 0;
-
-  // Returns whether |brand| is an organic brand.
-  virtual bool IsBrandOrganic(const std::string& brand) = 0;
-
-  // Returns the reactivation brand code for Chrome in |brand| and a boolean
-  // indicating whether the operation was a success or not.
-  virtual bool GetReactivationBrand(std::string* brand) = 0;
-
-  // Returns true if RLZTracker should ignore initial delay for testing.
-  virtual bool ShouldEnableZeroDelayForTesting() = 0;
-
-  // Returns the installation language in |language| and a boolean indicating
-  // whether the operation was a success or not.
-  virtual bool GetLanguage(base::string16* language) = 0;
-
-  // Returns the referral code in |referral| and a boolean indicating whether
-  // the operation was a success or not. Deprecated.
-  virtual bool GetReferral(base::string16* referral) = 0;
-
-  // Clears the referral code. Deprecated.
-  virtual bool ClearReferral() = 0;
-
-  // Registers |callback| to be invoked the next time the user perform a search
-  // using Google search engine via the omnibox. Callback will invoked at most
-  // once.
-  virtual void SetOmniboxSearchCallback(const base::Closure& callback) = 0;
-
-  // Registers |callback| to be invoked the next time the user perform a search
-  // using Google search engine via the homepage. Callback will invoked at most
-  // once.
-  virtual void SetHomepageSearchCallback(const base::Closure& callback) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(RLZTrackerDelegate);
-};
-
-}  // namespace rlz
-
-#endif  // COMPONENTS_RLZ_RLZ_TRACKER_DELEGATE_H_