Remove unnecessary ui::CompositorTestSupport

ui/views/views.gyp

 # Copyright (c) 2012 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,
   },
   'target_defaults': {
     'conditions': [
       ['use_aura==1', {
@@ skipping 988 matching lines @@
               'SubSystem': '2',  # Set /SUBSYSTEM:WINDOWS
             },
           },
           'dependencies': [
             '../../sandbox/sandbox.gyp:sandbox',
           ],
         }],
         ['use_aura==1', {
           'dependencies': [
             '../compositor/compositor.gyp:compositor',
-            '../compositor/compositor.gyp:compositor_test_support',
           ],
         }],
         ['OS=="win"', {
           'sources/': [
             # This is needed because the aura rule strips it from the default
             # sources list.
             ['include', '^../../content/app/startup_helper_win.cc'],
           ],
         }],
       ],
     },  # target_name: views_examples_with_content_exe
   ],
 }