ui: No more TestCompositor. Use NullDraw contexts in unit tests.

ui/compositor/compositor.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,
   },
   'targets': [
     {
@@ skipping 73 matching lines @@
         '<(DEPTH)/ui/gl/gl.gyp:gl',
         '<(DEPTH)/ui/ui.gyp:ui',
         '<(DEPTH)/webkit/common/gpu/webkit_gpu.gyp:webkit_gpu',
         'compositor',
       ],
       'sources': [
         'test/draw_waiter_for_test.cc',
         'test/draw_waiter_for_test.h',
         'test/test_layers.cc',
         'test/test_layers.h',
-        'test/test_context_factory.cc',
-        'test/test_context_factory.h',
-        'test/default_context_factory.cc',
-        'test/default_context_factory.h',
+        'test/in_process_context_factory.cc',
+        'test/in_process_context_factory.h',
         'test/context_factories_for_test.cc',
         'test/context_factories_for_test.h',
         'test/test_suite.cc',
         'test/test_suite.h',
       ],
     },
     {
       'target_name': 'compositor_unittests',
       'type': 'executable',
       'dependencies': [
@@ skipping 45 matching lines @@
               'dependencies': [
                 '<(DEPTH)/base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
       ],
     },
   ],
 }