Allows observers to be notified when layer animations complete.

ui/gfx/compositor/compositor.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': {
     'sources/': [
@@ skipping 27 matching lines @@
         'compositor.cc',
         'compositor.h',
         'compositor_export.h',
         'compositor_gl.cc',
         'compositor_gl.h',
         'compositor_cc.cc',
         'compositor_cc.h',
         'compositor_observer.h',
         'compositor_stub.cc',
         'compositor_win.cc',
-        'dummy_layer_animation_delegate.cc',
-        'dummy_layer_animation_delegate.h',
         'layer.cc',
         'layer.h',
         'layer_animation_delegate.h',
         'layer_animation_element.cc',
         'layer_animation_element.h',
+        'layer_animation_observer.h',
         'layer_animation_sequence.cc',
         'layer_animation_sequence.h',
         'layer_animator.cc',
         'layer_animator.h',
       ],
       'conditions': [
         ['os_posix == 1 and OS != "mac"', {
           'sources!': [
             'compositor_stub.cc',
           ],
@@ skipping 74 matching lines @@
       ],
       'sources': [
         'layer_animation_element_unittest.cc',
         'layer_animation_sequence_unittest.cc',
         'layer_animator_unittest.cc',
         'layer_unittest.cc',
         'run_all_unittests.cc',
         'test_compositor_host.h',
         'test_compositor_host_linux.cc',
         'test_compositor_host_win.cc',
+        'test_layer_animation_delegate.cc',
+        'test_layer_animation_delegate.h',
+        'test_layer_animation_observer.cc',
+        'test_layer_animation_observer.h',
         'test_suite.cc',
         'test_suite.h',
         'test_utils.cc',
         'test_utils.h',
         '<(SHARED_INTERMEDIATE_DIR)/ui/gfx/gfx_resources.rc',
         '<(SHARED_INTERMEDIATE_DIR)/ui/ui_resources/ui_resources.rc',
       ],
       'conditions': [
         # osmesa GL implementation is used on linux.
         ['OS=="linux"', {
@@ skipping 22 matching lines @@
         ['toolkit_views == 1', {
           'dependencies': [
             '<(DEPTH)/skia/skia.gyp:skia',
             'compositor',
           ],
           'sources': [
             'test_compositor.cc',
             'test_compositor.h',
             'test_texture.cc',
             'test_texture.h',
-          ],              
+          ],
         }],
       ],
     },
   ],
 }