Implement factory for ReopenTabInProductHelp keyed service

This will allow the per-profile instance to be fetched from any code
that has a Profile*.

Bug: 887991
Change-Id: I8394c07033b8e2940cf2a76bb6a697ca09ada452
Reviewed-on: https://chromium-review.googlesource.com/c/1306788
Commit-Queue: Collin Baker <collinbaker@chromium.org>
Reviewed-by: Peter Boström <pbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604266}

chrome/browser/ui/BUILD.gn

@@ -3306,6 +3306,8 @@ jumbo_split_static_library("ui") {
       "in_product_help/active_tab_tracker.h",
       "in_product_help/reopen_tab_in_product_help.cc",
       "in_product_help/reopen_tab_in_product_help.h",
+      "in_product_help/reopen_tab_in_product_help_factory.cc",
+      "in_product_help/reopen_tab_in_product_help_factory.h",
       "in_product_help/reopen_tab_in_product_help_trigger.cc",
       "in_product_help/reopen_tab_in_product_help_trigger.h",
     ]

chrome/browser/ui/in_product_help/reopen_tab_in_product_help_factory.cc

+// Copyright 2018 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 "chrome/browser/ui/in_product_help/reopen_tab_in_product_help_factory.h"
+
+#include <memory>
+
+#include "base/memory/singleton.h"
+#include "base/time/default_tick_clock.h"
+#include "chrome/browser/feature_engagement/tracker_factory.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/in_product_help/reopen_tab_in_product_help.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+namespace in_product_help {
+
+ReopenTabInProductHelpFactory::ReopenTabInProductHelpFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ReopenTabInProductHelp",
+          BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(feature_engagement::TrackerFactory::GetInstance());
+}
+
+ReopenTabInProductHelpFactory::~ReopenTabInProductHelpFactory() {}
+
+// static
+ReopenTabInProductHelpFactory* ReopenTabInProductHelpFactory::GetInstance() {
+  return base::Singleton<ReopenTabInProductHelpFactory>::get();
+}
+
+// static
+ReopenTabInProductHelp* ReopenTabInProductHelpFactory::GetForProfile(
+    Profile* profile) {
+  return static_cast<ReopenTabInProductHelp*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+KeyedService* ReopenTabInProductHelpFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  return new ReopenTabInProductHelp(Profile::FromBrowserContext(context),
+                                    base::DefaultTickClock::GetInstance());
+}
+
+content::BrowserContext* ReopenTabInProductHelpFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}
+
+}  // namespace in_product_help

chrome/browser/ui/in_product_help/reopen_tab_in_product_help_factory.h

+// Copyright 2018 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 CHROME_BROWSER_UI_IN_PRODUCT_HELP_REOPEN_TAB_IN_PRODUCT_HELP_FACTORY_H_
+#define CHROME_BROWSER_UI_IN_PRODUCT_HELP_REOPEN_TAB_IN_PRODUCT_HELP_FACTORY_H_
+
+#include "base/macros.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+class Profile;
+
+namespace base {
+template <typename T>
+struct DefaultSingletonTraits;
+}  // namespace base
+
+namespace content {
+class BrowserContext;
+}  // namespace content
+
+namespace in_product_help {
+
+class ReopenTabInProductHelp;
+
+class ReopenTabInProductHelpFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static ReopenTabInProductHelpFactory* GetInstance();
+
+  static ReopenTabInProductHelp* GetForProfile(Profile* profile);
+
+ private:
+  ReopenTabInProductHelpFactory();
+  ~ReopenTabInProductHelpFactory() override;
+
+  // BrowserContextKeyedServiceFactory overrides:
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const override;
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
+
+  friend struct base::DefaultSingletonTraits<ReopenTabInProductHelpFactory>;
+
+  DISALLOW_COPY_AND_ASSIGN(ReopenTabInProductHelpFactory);
+};
+
+}  // namespace in_product_help
+
+#endif  // CHROME_BROWSER_UI_IN_PRODUCT_HELP_REOPEN_TAB_IN_PRODUCT_HELP_FACTORY_H_