Refactor renderer LayerTreeSettings generating code to common.

content/content_common.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../cc/cc.gyp:cc',
     '../cc/ipc/cc_ipc.gyp:cc_ipc',
     '../components/tracing.gyp:tracing',
@@ skipping 255 matching lines @@
       'common/cache_storage/cache_storage_types.cc',
       'common/cache_storage/cache_storage_types.h',
       'common/child_process_host_impl.cc',
       'common/child_process_host_impl.h',
       'common/child_process_messages.h',
       'common/child_process_sandbox_support_impl_linux.cc',
       'common/child_process_sandbox_support_impl_linux.h',
       'common/child_process_sandbox_support_impl_shm_linux.cc',
       'common/clipboard_format.h',
       'common/clipboard_messages.h',
+      'common/compositor_util.cc',
+      'common/compositor_util.h',
       'common/content_constants_internal.cc',
       'common/content_constants_internal.h',
       'common/content_export.h',
       'common/content_ipc_logging.cc',
       'common/content_message_generator.cc',
       'common/content_message_generator.h',
       'common/content_param_traits.cc',
       'common/content_param_traits.h',
       'common/content_param_traits_macros.h',
       'common/content_paths.cc',
@@ skipping 363 matching lines @@
       ],
     }],
     ['enable_ipc_fuzzer==1', {
       'sources': [
         'common/external_ipc_dumper.cc',
         'common/external_ipc_dumper.h',
       ],
     }],
   ],
 }