ninja/mac: Support iOS codesign for ninja builds.

test/ios/app-bundle/test-device.gyp

Index: test/ios/app-bundle/test-device.gyp
===================================================================
--- test/ios/app-bundle/test-device.gyp	(revision 1755)
+++ test/ios/app-bundle/test-device.gyp	(working copy)
@@ -36,5 +36,44 @@
         'CONFIGURATION_BUILD_DIR':'build/Default',
       },
     },
+    {
+      'target_name': 'sig_test',
+      'product_name': 'sig_test',
+      'type': 'executable',
+      'product_extension': 'bundle',
+      'mac_bundle': 1,
+      'sources': [
+        'TestApp/main.m',
+      ],
+      'mac_bundle_resources': [
+        'TestApp/English.lproj/InfoPlist.strings',
+        'TestApp/English.lproj/MainMenu.xib',
+      ],
+      'link_settings': {
+        'libraries': [
+          '$(SDKROOT)/System/Library/Frameworks/Foundation.framework',
+          '$(SDKROOT)/System/Library/Frameworks/UIKit.framework',
+        ],
+      },
+      'postbuilds': [
+        {
+          'postbuild_name': 'Verify no signature',
+          'action': [
+            'python',
+            'TestApp/check_no_signature.py'
+          ],
+        },
+      ],
+      'xcode_settings': {
+        'OTHER_CFLAGS': [
+          '-fobjc-abi-version=2',
+        ],
+        'SDKROOT': 'iphonesimulator',  # -isysroot
+        'CODE_SIGN_IDENTITY[sdk=iphoneos*]': 'iPhone Developer',
+        'INFOPLIST_FILE': 'TestApp/TestApp-Info.plist',
+        'IPHONEOS_DEPLOYMENT_TARGET': '4.2',
+        'CONFIGURATION_BUILD_DIR':'buildsig/Default',
+      },
+    },
   ],
 }