Delegate root layer scroll offset to android_webview.

content/content_renderer.gypi

 # Copyright (c) 2012 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.
 
 {
   'dependencies': [
     '../jingle/jingle.gyp:jingle_glue',
     '../net/net.gyp:net',
     '../skia/skia.gyp:skia',
     '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
@@ skipping 54 matching lines @@
     'renderer/all_rendering_benchmarks.cc',
     'renderer/all_rendering_benchmarks.h',
     'renderer/android/address_detector.cc',
     'renderer/android/address_detector.h',
     'renderer/android/content_detector.cc',
     'renderer/android/content_detector.h',
     'renderer/android/email_detector.cc',
     'renderer/android/email_detector.h',
     'renderer/android/phone_number_detector.cc',
     'renderer/android/phone_number_detector.h',
+    'renderer/android/synchronous_compositor_impl.cc',
+    'renderer/android/synchronous_compositor_impl.h',
+    'renderer/android/synchronous_compositor_input_handler_client_wrapper.cc',
+    'renderer/android/synchronous_compositor_input_handler_client_wrapper.h',
     'renderer/android/synchronous_compositor_output_surface.cc',
     'renderer/android/synchronous_compositor_output_surface.h',
     'renderer/device_orientation_dispatcher.cc',
     'renderer/device_orientation_dispatcher.h',
     'renderer/devtools/devtools_agent.cc',
     'renderer/devtools/devtools_agent.h',
     'renderer/devtools/devtools_agent_filter.cc',
     'renderer/devtools/devtools_agent_filter.h',
     'renderer/devtools/devtools_client.cc',
     'renderer/devtools/devtools_client.h',
@@ skipping 383 matching lines @@
     }],
   ],
   'target_conditions': [
     ['OS=="android"', {
       'sources/': [
         ['include', '^renderer/render_view_linux\\.cc$'],
       ],
     }],
   ],
 }