Add the scheme chrome-distiller:// and hook up data source.

components/dom_distiller.gypi

 # Copyright 2013 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.
 
 {
   'conditions': [
     ['android_webview_build == 0', {
       'targets': [
         {
           'target_name': 'dom_distiller_webui',
           'type': 'static_library',
           'dependencies': [
             'component_strings.gyp:component_strings',
             'dom_distiller_core',
             'dom_distiller_resources',
             '../base/base.gyp:base',
             '../content/content.gyp:content_browser',
             '../skia/skia.gyp:skia',
             '../sync/sync.gyp:sync',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'dom_distiller/webui/dom_distiller_handler.cc',
             'dom_distiller/webui/dom_distiller_handler.h',
             'dom_distiller/webui/dom_distiller_ui.cc',
             'dom_distiller/webui/dom_distiller_ui.h',
+            'dom_distiller/webui/dom_distiller_viewer_handler.cc',
+            'dom_distiller/webui/dom_distiller_viewer_handler.h',
+            'dom_distiller/webui/dom_distiller_viewer_ui.cc',
+            'dom_distiller/webui/dom_distiller_viewer_ui.h',
           ],
         },
         {
           'target_name': 'dom_distiller_resources',
           'type': 'none',
           'variables': {
             'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/components',
           },
           'actions': [
             {
@@ skipping 75 matching lines @@
                 'dom_distiller/content/distiller_page_web_contents.cc',
                 'dom_distiller/content/distiller_page_web_contents.h',
               ],
             },
           ],
         }],
       ],
     }],
   ],
 }