Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/background/initialize_store_task.cc

-// 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.
-
-#include "components/offline_pages/background/initialize_store_task.h"
-
-#include "base/bind.h"
-
-namespace offline_pages {
-
-const int kRestartAttemptsMaximum = 3;
-
-InitializeStoreTask::InitializeStoreTask(
-    RequestQueueStore* store,
-    const RequestQueueStore::InitializeCallback& callback)
-    : store_(store),
-      reset_attempts_left_(kRestartAttemptsMaximum),
-      callback_(callback),
-      weak_ptr_factory_(this) {}
-
-InitializeStoreTask::~InitializeStoreTask() {}
-
-void InitializeStoreTask::Run() {
-  InitializeStore();
-}
-
-void InitializeStoreTask::InitializeStore() {
-  store_->Initialize(base::Bind(&InitializeStoreTask::CompleteIfSuccessful,
-                                weak_ptr_factory_.GetWeakPtr()));
-}
-
-void InitializeStoreTask::CompleteIfSuccessful(bool success) {
-  if (success) {
-    callback_.Run(true);
-    TaskComplete();
-    return;
-  }
-
-  TryToResetStore();
-}
-
-void InitializeStoreTask::TryToResetStore() {
-  if (reset_attempts_left_ == 0) {
-    callback_.Run(false);
-    TaskComplete();
-    return;
-  }
-
-  reset_attempts_left_--;
-  store_->Reset(base::Bind(&InitializeStoreTask::OnStoreResetDone,
-                           weak_ptr_factory_.GetWeakPtr()));
-}
-
-void InitializeStoreTask::OnStoreResetDone(bool success) {
-  if (success)
-    InitializeStore();
-  else
-    TryToResetStore();
-}
-
-}  // namespace offline_pages