stub webkit/child/ and webkitplatformsupport_child_impl for transition

webkit/glue/webkit_glue.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.
 
 {
   'target_defaults': {
      # Disable narrowing-conversion-in-initialization-list warnings in that we
      # do not want to fix it in data file "webcursor_gtk_data.h".
      'cflags+': ['-Wno-narrowing'],
      'cflags_cc+': ['-Wno-narrowing'],
@@ skipping 38 matching lines @@
           'variables': {
             'grit_grd_file': 'webkit_strings.grd',
           },
           'includes': [ '../../build/grit_action.gypi' ],
         },
       ],
       'includes': [ '../../build/grit_target.gypi' ],
     },
 
     {
+      'target_name': 'glue_child',
+      'type': '<(component)',
+      'variables': { 'enable_wexit_time_destructors': 1, },
+      'defines': [
+        'WEBKIT_CHILD_IMPLEMENTATION',
+      ],
+      'dependencies': [
+        '<(DEPTH)/third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
+
+        # TODO(scottmg): crbug.com/237249
+        'glue',
+      ],
+ 
+      'sources': [
+        '../child/webkitplatformsupport_child_impl.cc',
+        '../child/webkitplatformsupport_child_impl.h',
+      ],
+    },
+
+    {
       'target_name': 'glue_common',
       'type': '<(component)',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'defines': [
         'WEBKIT_COMMON_IMPLEMENTATION',
       ],
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/base.gyp:base_i18n',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
@@ skipping 290 matching lines @@
           'variables': {
             'jni_gen_package': 'webkit',
             'input_java_class': 'android/widget/OverScroller.class',
           },
           'includes': [ '../../build/jar_file_jni_generator.gypi' ],
         },
       ],
     }],
   ],
 }