Implement overscroll support for the virtual keyboard.

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.
 
 {
   'targets': [
     {
       'target_name': 'layouttest_support_content',
       'type': 'static_library',
       'conditions': [
@@ skipping 804 matching lines @@
           'xcode_settings': {'OTHER_LDFLAGS': ['-Wl,-ObjC']},
         }],
         ['chromeos==1', {
           'sources/': [
             ['exclude', '^browser/geolocation/wifi_data_provider_linux_unittest.cc'],
           ],
         }],
         ['use_aura==1', {
           'dependencies': [
             '../ui/aura/aura.gyp:aura',
-          ]
+            '../ui/keyboard/keyboard.gyp:keyboard',
+          ],
         }],
         ['use_aura==1 or toolkit_views==1', {
           'dependencies': [
             '../ui/events/events.gyp:events_test_support',
           ],
         }],
         ['use_aura!=1 and OS!="mac"', {
           'sources/': [
             ['exclude', '^browser/compositor/'],
           ],
@@ skipping 954 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }