Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

ui/web_dialogs/web_dialogs.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,
+  },
+
+  'target_defaults': {
+  },
+  'targets': [
+    {
+      'target_name': 'web_dialogs',
+      'type': '<(component)',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../base/base.gyp:base_i18n',
+        '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
+        '../../build/temp_gyp/googleurl.gyp:googleurl',
+        '../../content/content.gyp:content',
+        '../../net/net.gyp:net',
+        '../../skia/skia.gyp:skia',
+        '../../third_party/icu/icu.gyp:icui18n',
+        '../../third_party/icu/icu.gyp:icuuc',
+        '../base/strings/ui_strings.gyp:ui_strings',
+        '../gfx/compositor/compositor.gyp:compositor',
+        '../ui.gyp:ui',
+        '../ui.gyp:ui_resources',
+        '../ui.gyp:ui_resources_standard',
+      ],
+      'defines': [
+        'WEB_DIALOGS_IMPLEMENTATION',
+      ],
+      'sources': [
+        # All .cc, .h under web_dialogs
+        'web_dialog_delegate.h',
+        'web_dialogs_export.h',
+        'web_dialog_notification_types.h',
+        'web_dialog_ui.h',
+        'web_dialog_ui.cc',
+        'web_dialog_web_contents_delegate.h',
+        'web_dialog_web_contents_delegate.cc',
+      ],
+      'include_dirs': [
+        '../../third_party/wtl/include',
+      ],
+    }, # target_name: web_dialogs
+  ],
+}