Move common distiller code to superclass

components/dom_distiller/core/BUILD.gn

 # Copyright 2014 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.
 
 # GYP version: components/dom_distiller.gypi:dom_distiller_core
 source_set("core") {
   sources = [
     "../android/component_jni_registrar.cc",
     "../android/component_jni_registrar.h",
     "article_attachments_data.cc",
@@ skipping 14 matching lines @@
     "distiller.h",
     "distiller_page.cc",
     "distiller_page.h",
     "distiller_url_fetcher.cc",
     "distiller_url_fetcher.h",
     "dom_distiller_constants.cc",
     "dom_distiller_constants.h",
     "dom_distiller_model.cc",
     "dom_distiller_model.h",
     "dom_distiller_observer.h",
+    "dom_distiller_request_view_base.cc",
+    "dom_distiller_request_view_base.h",
     "dom_distiller_service.cc",
     "dom_distiller_service.h",
     "dom_distiller_store.cc",
     "dom_distiller_store.h",
     "dom_distiller_switches.cc",
     "dom_distiller_switches.h",
     "experiments.cc",
     "experiments.h",
     "external_feedback_reporter.h",
     "feedback_reporter.cc",
@@ skipping 100 matching lines @@
 
   generate_jni("jni_headers") {
     sources = [
       "../android/java/src/org/chromium/components/dom_distiller/core/DistilledPagePrefs.java",
       "../android/java/src/org/chromium/components/dom_distiller/core/DomDistillerService.java",
       "../android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java",
     ]
     jni_package = "dom_distiller_core"
   }
 }