Remove LASTCHANGE dependency

remoting/remoting_host_win.gypi

 # Copyright 2014 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': {
     'remoting_host_installer_win_roots': [
       'host/installer/win/',
     ],
     'remoting_host_installer_win_files': [
@@ skipping 341 matching lines @@
                 '--encoding', 'utf-16',
                 '<@(remoting_locales)',
               ],
               'message': 'Localizing the event log messages'
             },
           ],
         },  # end of target 'remoting_host_messages'
 
         # Generates localized resources for the Windows binaries.
         # The substitution strings are taken from:
-        #   - build/util/LASTCHANGE - the last source code revision.
+        #   - build/util/LASTCHANGE - the last source code revision. There is
+        #       no explicit dependency on this file to avoid rebuilding the host
+        #       after unrelated changes.
         #   - chrome/VERSION - the major, build & patch versions.
         #   - remoting/VERSION - the chromoting patch version (and overrides
         #       for chrome/VERSION).
         #   - translated webapp strings
         {
           'target_name': 'remoting_windows_resources',
           'type': 'none',
           'dependencies': [
             'remoting_resources',
           ],
           'hard_dependency': 1,
           'direct_dependent_settings': {
             'include_dirs': [
               '<(SHARED_INTERMEDIATE_DIR)',
             ],
           },
           'sources': [
             'host/win/core.rc.jinja2',
             'host/win/version.rc.jinja2',
           ],
           'rules': [
             {
               'rule_name': 'version',
               'extension': 'jinja2',
               'variables': {
                 'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
               },
               'inputs': [
                 '<(chrome_version_path)',
-                '<(lastchange_path)',
                 '<(remoting_version_path)',
                 '<(RULE_INPUT_PATH)',
               ],
               'outputs': [
                 '<(SHARED_INTERMEDIATE_DIR)/remoting/<(RULE_INPUT_ROOT)',
               ],
               'action': [
                 'python', '<(remoting_localize_path)',
                 '--variables', '<(chrome_version_path)',
                 # |remoting_version_path| must be after |chrome_version_path|
@@ skipping 136 matching lines @@
                 '--defs', '<@(_defs)',
               ],
             },
           ],  # actions
         }, # end of target 'remoting_me2me_host_archive'
       ],  # end of 'targets'
     }],  # '<(wix_path) != ""'
 
   ],  # end of 'conditions'
 }