Add blink_test_support target.

public/blink.gyp

Index: public/blink.gyp
diff --git a/public/blink.gyp b/public/blink.gyp
index edff289cb325c89fb42cc3ab4478162bd99d69fa..ab7b7397c33ef274c1cb5c0d094073cfbfc86ccc 100644
--- a/public/blink.gyp
+++ b/public/blink.gyp
@@ -61,7 +61,7 @@
             ],
         },
         {
-            'target_name': 'blink_web_test_support',
+            'target_name': 'blink_test_support',
             'type': 'none',
             'dependencies': [
                 '../Source/web/web.gyp:webkit_test_support',
@@ -70,5 +70,15 @@
                 '../Source/web/web.gyp:webkit_test_support',
             ],
         },
+        {
+            'target_name': 'blink_web_test_support',
+            'type': 'none',
+            'dependencies': [
+                'blink_test_support',
+            ],
+            'export_dependent_settings': [
+                'blink_test_support',
+            ],
+        },
     ],
 }