Attempt 2 at : Makes tests either use mock compositor or mock

ui/views/views.gyp

 # Copyright (c) 2011 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': [
@@ skipping 480 matching lines @@
         #                 unrelated things like v8, sqlite nss...).
         '../../chrome/chrome_resources.gyp:packed_resources',
         '../../build/temp_gyp/googleurl.gyp:googleurl',
         '../../skia/skia.gyp:skia',
         '../../testing/gmock.gyp:gmock',
         '../../testing/gtest.gyp:gtest',
         '../../third_party/icu/icu.gyp:icui18n',
         '../../third_party/icu/icu.gyp:icuuc',
         '../base/strings/ui_strings.gyp:ui_strings',
         '../gfx/compositor/compositor.gyp:compositor_test_support',
-        '../gfx/compositor/compositor.gyp:test_compositor',
         '../ui.gyp:gfx_resources',
         '../ui.gyp:ui',
         '../ui.gyp:ui_resources',
         '../ui.gyp:ui_resources_standard',
         'views',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
@@ skipping 75 matching lines @@
             ['exclude', 'controls/table/table_view_unittest.cc'],
             ['exclude', 'widget/native_widget_win_unittest.cc'],
           ],
         }, {
           'sources/': [
             ['exclude', '../aura/test/test_desktop_delegate.cc'],
             ['exclude', '../aura/test/test_desktop_delegate.h'],
             ['exclude', 'test/test_tooltip_client.cc'],
           ],
         }],
+        ['use_webkit_compositor==1', {
+          'dependencies': [
+            '../gfx/compositor/compositor.gyp:compositor',
+          ],
+        }, { # use_webkit_compositor!=1
+          'dependencies': [
+            '../gfx/compositor/compositor.gyp:test_compositor',
+          ],
+        }],
       ],
     },  # target_name: views_unittests
     {
       'target_name': 'views_examples_lib',
       'type': 'static_library',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:base_i18n',
         '../../chrome/chrome_resources.gyp:packed_resources',
         '../../skia/skia.gyp:skia',
@@ skipping 131 matching lines @@
           'msvs_settings': {
             'VCManifestTool': {
               'AdditionalManifestFiles': 'examples\\views_examples.exe.manifest',
             },
           },
         }],
       ],
     },  # target_name: views_examples_lib
   ],
 }