Add APIs to the client plugin to re-map and trap key events.

remoting/remoting.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': {
     # TODO(dmaclach): can we pick this up some other way? Right now it's
     # duplicated from chrome.gyp
     'chromium_code': 1,
     # Use consistent strings across all platforms. Note that the plugin name
@@ skipping 928 matching lines @@
         'client/chromoting_stats.h',
         'client/chromoting_view.h',
         'client/client_config.cc',
         'client/client_config.h',
         'client/client_context.cc',
         'client/client_context.h',
         'client/frame_consumer.h',
         'client/frame_consumer_proxy.cc',
         'client/frame_consumer_proxy.h',
         'client/frame_producer.h',
+        'client/key_event_mapper.cc',
+        'client/key_event_mapper.h',
         'client/mouse_input_filter.cc',
         'client/mouse_input_filter.h',
         'client/rectangle_update_decoder.cc',
         'client/rectangle_update_decoder.h',
       ],
     },  # end of target 'remoting_client'
 
     {
       'target_name': 'remoting_simple_host',
       'type': 'executable',
@@ skipping 331 matching lines @@
         'base/compound_buffer_unittest.cc',
         'base/compressor_zlib_unittest.cc',
         'base/decoder_vp8_unittest.cc',
         'base/decompressor_zlib_unittest.cc',
         'base/encode_decode_unittest.cc',
         'base/encoder_vp8_unittest.cc',
         'base/encoder_row_based_unittest.cc',
         'base/base_mock_objects.cc',
         'base/base_mock_objects.h',
         'base/util_unittest.cc',
+        'client/key_event_mapper_unittest.cc',
         'client/mouse_input_filter_unittest.cc',
         'host/capturer_linux_unittest.cc',
         'host/capturer_mac_unittest.cc',
         'host/capturer_win_unittest.cc',
         'host/remote_input_filter_unittest.cc',
         'host/test_key_pair.h',
         'jingle_glue/fake_signal_strategy.cc',
         'jingle_glue/fake_signal_strategy.h',
         'jingle_glue/iq_sender_unittest.cc',
         'jingle_glue/jingle_thread_unittest.cc',
@@ skipping 69 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }