Add support for ios_web_shell xctest for devices.

ios/web/ios_web_shell.gyp

 # Copyright 2014 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': [
     {
       # GN version: //ios/web/shell:ios_web_shell
       'target_name': 'ios_web_shell',
-      'type': 'executable',
-      'mac_bundle': 1,
-      'include_dirs': [
-        '../..',
-      ],
-      'dependencies': [
-        'ios_web.gyp:ios_web',
-        'ios_web.gyp:ios_web_app',
-        '../../base/base.gyp:base',
-        '../../net/net.gyp:net',
-        '../../net/net.gyp:net_extras',
-        '../../ui/base/ui_base.gyp:ui_base',
-      ],
-      'export_dependent_settings': [
-        'ios_web.gyp:ios_web',
-        'ios_web.gyp:ios_web_app',
-        '../../base/base.gyp:base',
-        '../../net/net.gyp:net',
-        '../../ui/base/ui_base.gyp:ui_base',
-      ],
-      'xcode_settings': {
-        'INFOPLIST_FILE': 'shell/Info.plist',
-        'STRIPFLAGS': '-S',
-        # For XCTests a test bundle is injected into the application. Some
-        # symbols are required by the tests, and should be included in
-        # the file 'ios_web_shell_exported_symbols_list'. The use of
-        # -exported_symbols_list ensures that the symbols in this file are
-        # exposed. GCC_SYMBOLS_PRIVATE_EXTERN must also be set to 'NO', to
-        # ensure symbols aren't hidden and not able to be exposed with
-        # -exported_symbols_list. For more information see 'man ld'.
-        'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO',
-        'OTHER_LDFLAGS': [
-          '-Xlinker -objc_abi_version',
-          '-Xlinker 2',
-          '-exported_symbols_list',
-          '../../ios/web/ios_web_shell_exported_symbols_list',
-        ]
-      },
-      'sources': [
-        'shell/app_delegate.h',
-        'shell/app_delegate.mm',
-        'shell/shell_browser_state.h',
-        'shell/shell_browser_state.mm',
-        'shell/shell_main_delegate.h',
-        'shell/shell_main_delegate.mm',
-        'shell/shell_network_delegate.cc',
-        'shell/shell_network_delegate.h',
-        'shell/shell_url_request_context_getter.h',
-        'shell/shell_url_request_context_getter.mm',
-        'shell/shell_web_client.h',
-        'shell/shell_web_client.mm',
-        'shell/shell_web_main_parts.h',
-        'shell/shell_web_main_parts.mm',
-        'shell/view_controller.h',
-        'shell/view_controller.mm',
-        'shell/web_exe_main.mm',
-      ],
-      'link_settings': {
-        'libraries': [
-          '$(SDKROOT)/System/Library/Frameworks/CoreGraphics.framework',
-          '$(SDKROOT)/System/Library/Frameworks/CoreFoundation.framework',
-          '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
-          '$(SDKROOT)/System/Library/Frameworks/UIKit.framework',
-        ],
-        'mac_bundle_resources': [
-          'shell/Default.png',
-          'shell/MainView.xib',
-          'shell/textfield_background@2x.png',
-          'shell/toolbar_back@2x.png',
-          'shell/toolbar_forward@2x.png',
-        ],
-      },
+      'includes': [
+        'ios_web_shell_exe.gypi',
+      ]
     },
   ],
 }