Add skeletons for the factories to create the request coordinator and

components/offline_pages/background/request_coordinator_factory.h

Index: components/offline_pages/background/request_coordinator_factory.h
diff --git a/chrome/browser/android/offline_pages/offline_page_model_factory.h b/components/offline_pages/background/request_coordinator_factory.h
similarity index 52%
copy from chrome/browser/android/offline_pages/offline_page_model_factory.h
copy to components/offline_pages/background/request_coordinator_factory.h
index 25575cf0463dd571dc02bf60f31515f9e2a272da..abf88ca6c1025fda1e31a618305b722adc40b03e 100644
--- a/chrome/browser/android/offline_pages/offline_page_model_factory.h
+++ b/components/offline_pages/background/request_coordinator_factory.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_FACTORY_H_
-#define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_FACTORY_H_
+#ifndef COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_FACTORY_H_
+#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_FACTORY_H_
 
 #include "base/macros.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
@@ -15,20 +15,20 @@ struct DefaultSingletonTraits;
 
 namespace offline_pages {
 
-class OfflinePageModel;
+class RequestCoordinator;
 
-// A factory to create one unique OfflinePageModel.
-class OfflinePageModelFactory : public BrowserContextKeyedServiceFactory {
+// A factory to create one unique RequestCoordinator.
+class RequestCoordinatorFactory : public BrowserContextKeyedServiceFactory {
  public:
-  static OfflinePageModelFactory* GetInstance();
-  static OfflinePageModel* GetForBrowserContext(
+  static RequestCoordinatorFactory* GetInstance();
+  static RequestCoordinator* GetForBrowserContext(
       content::BrowserContext* context);
 
  private:
-  friend struct base::DefaultSingletonTraits<OfflinePageModelFactory>;
+  friend struct base::DefaultSingletonTraits<RequestCoordinatorFactory>;
 
-  OfflinePageModelFactory();
-  ~OfflinePageModelFactory() override {}
+  RequestCoordinatorFactory();
+  ~RequestCoordinatorFactory() override {}
 
   KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
@@ -36,9 +36,9 @@ class OfflinePageModelFactory : public BrowserContextKeyedServiceFactory {
   content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
 
-  DISALLOW_COPY_AND_ASSIGN(OfflinePageModelFactory);
+  DISALLOW_COPY_AND_ASSIGN(RequestCoordinatorFactory);
 };
 
 }  // namespace offline_pages
 
-#endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_OFFLINE_PAGE_MODEL_FACTORY_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_FACTORY_H_