Make LASTCHANGE work properly for make build.

chrome/installer/installer.gyp

 {
   'variables': {
     'version_py': '../../chrome/tools/build/version.py',
     'version_path': '../../chrome/VERSION',
     'lastchange_path': '<(SHARED_INTERMEDIATE_DIR)/build/LASTCHANGE',
     # 'branding_dir' is set in the 'conditions' section at the bottom.
   },
   'includes': [
     # Two versions of installer_util target are defined in installer_util.gypi.
     # This allows to keep all the settings relevant to these targets in one
@@ skipping 206 matching lines @@
             {
               'rule_name': 'setup_version',
               'extension': 'version',
               'variables': {
                 'version_py': '../../chrome/tools/build/version.py',
                 'template_input_path': 'setup/setup_exe_version.rc.version',
               },
               'inputs': [
                 '<(template_input_path)',
                 '<(version_path)',
-                '<(lastchange_path)',
                 '<(branding_dir)/BRANDING',
               ],
               'outputs': [
                 '<(SHARED_INTERMEDIATE_DIR)/setup/setup_exe_version.rc',
               ],
               'action': [
                 'python', '<(version_py)',
                 '-f', '<(version_path)',
                 '-f', '<(lastchange_path)',
                 '-f', '<(branding_dir)/BRANDING',
                 '<(template_input_path)',
                 '<@(_outputs)',
               ],
+              'dependencies': [
+                '../../build/util/build_util.gyp:lastchange',
+              ],
               'process_outputs_as_sources': 1,
               'message': 'Generating version information'
             },
             {
               'rule_name': 'server_dlls',
               'extension': 'release',
               'variables': {
                 'scan_server_dlls_py' : '../tools/build/win/scan_server_dlls.py',
                 'template_file': 'mini_installer/chrome_frame.release',
               },
@@ skipping 168 matching lines @@
                 '<(branding_dir)/BRANDING',
               ],
             },
           ],
           'actions': [
             {
               'action_name': 'save_build_info',
               'inputs': [
                 '<(branding_dir)/BRANDING',
                 '<(version_path)',
-                '<(lastchange_path)',
               ],
               'outputs': [
                 '<(PRODUCT_DIR)/installer/version.txt',
               ],
               # Just output the default version info variables.
               'action': [
                 'python', '<(version_py)',
                 '-f', '<(branding_dir)/BRANDING',
                 '-f', '<(version_path)',
                 '-f', '<(lastchange_path)',
                 '-o', '<@(_outputs)'
               ],
+              'dependencies': [
+                '../../build/util/build_util.gyp:lastchange',
+              ],
             },
           ],
         },
         {
           'target_name': 'linux_packages_all',
           'suppress_wildcard': 1,
           'type': 'none',
           'dependencies': [
             'linux_packages_unstable',
             'linux_packages_beta',
@@ skipping 308 matching lines @@
       },
     }],
   ],
 }
 
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