Decouple EventWithLatencyInfo and WebInputEventTraits [extern templates]

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 343 matching lines @@
       'common/indexed_db/indexed_db_key.h',
       'common/indexed_db/indexed_db_key_path.cc',
       'common/indexed_db/indexed_db_key_path.h',
       'common/indexed_db/indexed_db_key_range.cc',
       'common/indexed_db/indexed_db_key_range.h',
       'common/indexed_db/indexed_db_messages.h',
       'common/indexed_db/indexed_db_param_traits.cc',
       'common/indexed_db/indexed_db_param_traits.h',
       'common/input/did_overscroll_params.cc',
       'common/input/did_overscroll_params.h',
+      'common/input/event_with_latency_info.cc',
       'common/input/event_with_latency_info.h',
       'common/input/gesture_event_stream_validator.cc',
       'common/input/gesture_event_stream_validator.h',
       'common/input/input_event.cc',
       'common/input/input_event.h',
       'common/input/input_event_ack.cc',
       'common/input/input_event_ack.h',
       'common/input/input_event_dispatch_type.h',
       'common/input/input_event_stream_validator.cc',
       'common/input/input_event_stream_validator.h',
@@ skipping 289 matching lines @@
       ],
     }],
     ['enable_ipc_fuzzer==1', {
       'sources': [
         'common/external_ipc_dumper.cc',
         'common/external_ipc_dumper.h',
       ],
     }],
   ],
 }