Upstream chromium side of modal dialogs for webview.

android_webview/native/webview_native.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       'target_name': 'webview_native',
@@ skipping 15 matching lines @@
         'android_webview_jni_registrar.h',
         'aw_browser_dependency_factory.cc',
         'aw_browser_dependency_factory.h',
         'aw_contents.cc',
         'aw_contents.h',
         'aw_contents_container.h',
         'aw_contents_io_thread_client.cc',
         'aw_contents_io_thread_client.h',
         'aw_http_auth_handler.cc',
         'aw_http_auth_handler.h',
+        'aw_javascript_dialog_creator.cc',
+        'aw_javascript_dialog_creator.h',
         'aw_web_contents_delegate.cc',
         'aw_web_contents_delegate.h',
         'cookie_manager.cc',
         'cookie_manager.h',
         'intercepted_request_data.cc',
         'intercepted_request_data.h',
+        'js_result_handler.cc',
+        'js_result_handler.h',
       ],
     },
     {
       'target_name': 'android_webview_native_jni',
       'type': 'none',
       'sources': [
           '../java/src/org/chromium/android_webview/AndroidWebViewUtil.java',
           '../java/src/org/chromium/android_webview/AwContents.java',
           '../java/src/org/chromium/android_webview/AwContentsIoThreadClient.java',
           '../java/src/org/chromium/android_webview/AwHttpAuthHandler.java',
           '../java/src/org/chromium/android_webview/CookieManager.java',
           '../java/src/org/chromium/android_webview/InterceptedRequestData.java',
+          '../java/src/org/chromium/android_webview/JsResultHandler.java',
       ],
       'variables': {
         'jni_gen_dir': 'android_webview',
       },
       'includes': [ '../../build/jni_generator.gypi' ],
     },
   ],
 }