Minor changes to allow Pepper InstancePrivate tests to pass with gin

content/content_tests.gypi

 # Copyright (c) 2013 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': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 721 matching lines @@
           'dependencies': [
             'content.gyp:content_browser',
             'content.gyp:content_child',
             'content.gyp:content_gpu',
             'content.gyp:content_plugin',
             'content.gyp:content_renderer',
             'content_resources.gyp:content_resources',
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
             '../cc/cc.gyp:cc',
             '../cc/cc_tests.gyp:cc_test_support',
+            '../gin/gin.gyp:gin',
             '../gpu/gpu.gyp:gpu',
             '../gpu/gpu.gyp:gpu_unittest_utils',
             '../ipc/ipc.gyp:test_support_ipc',
             '../media/media.gyp:media_test_support',
             '../media/media.gyp:shared_memory_support',
             '../third_party/WebKit/public/blink.gyp:blink',
             '../third_party/icu/icu.gyp:icui18n',
             '../third_party/icu/icu.gyp:icuuc',
             '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
             '../third_party/libjingle/libjingle.gyp:libjingle',
@@ skipping 1113 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }