Connect LTHI::ScrollAnimated to cc::Viewport

cc/cc_tests.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,
     'cc_unit_tests_source_files': [
       'animation/animation_host_unittest.cc',
       'animation/animation_player_unittest.cc',
@@ skipping 50 matching lines @@
       'layers/solid_color_layer_impl_unittest.cc',
       'layers/solid_color_scrollbar_layer_impl_unittest.cc',
       'layers/surface_layer_impl_unittest.cc',
       'layers/surface_layer_unittest.cc',
       'layers/texture_layer_impl_unittest.cc',
       'layers/texture_layer_unittest.cc',
       'layers/ui_resource_layer_impl_unittest.cc',
       'layers/ui_resource_layer_unittest.cc',
       'layers/video_frame_provider_client_impl_unittest.cc',
       'layers/video_layer_impl_unittest.cc',
+      'layers/viewport_unittest.cc',
       'output/begin_frame_args_unittest.cc',
       'output/bsp_tree_unittest.cc',
       'output/delegating_renderer_unittest.cc',
       'output/filter_operations_unittest.cc',
       'output/gl_renderer_unittest.cc',
       'output/layer_quad_unittest.cc',
       'output/managed_memory_policy_unittest.cc',
       'output/output_surface_unittest.cc',
       'output/overlay_unittest.cc',
       'output/renderer_pixeltest.cc',
@@ skipping 421 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }