Implement installation of the Chrome App Host.

chrome/installer/mini_installer.gyp

 {
   'variables': {
     'version_py': '../../chrome/tools/build/version.py',
     'version_path': '../../chrome/VERSION',
     'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
     # 'branding_dir' is set in the 'conditions' section at the bottom.
     'msvs_use_common_release': 0,
     'msvs_use_common_linker_extras': 0,
     'mini_installer_internal_deps%': 0,
     'mini_installer_official_deps%': 0,
   },
   'includes': [
     '../../build/win_precompile.gypi',
   ],
   'conditions': [
     ['OS=="win"', {
       'target_defaults': {
         'dependencies': [
+          '../chrome.gyp:app_host',
           '../chrome.gyp:chrome',
           '../chrome.gyp:chrome_nacl_win64',
           '../chrome.gyp:chrome_dll',
           '../chrome.gyp:default_extensions',
           '../chrome.gyp:setup',
         ],
         'include_dirs': [
           '../..',
           '<(INTERMEDIATE_DIR)',
           '<(SHARED_INTERMEDIATE_DIR)/chrome',
@@ skipping 198 matching lines @@
                   'inputs!': [
                     '<(PRODUCT_DIR)/nacl64.exe',
                     '<(PRODUCT_DIR)/ppGoogleNaClPluginChrome.dll',
                     '<(PRODUCT_DIR)/nacl_irt_x86_32.nexe',
                     '<(PRODUCT_DIR)/nacl_irt_x86_64.nexe',
                   ],
                 }],
               ],
               'inputs': [
                 '<(create_installer_archive_py_path)',
+                '<(PRODUCT_DIR)/app_host.exe',
                 '<(PRODUCT_DIR)/chrome.exe',
                 '<(PRODUCT_DIR)/chrome.dll',
                 '<(PRODUCT_DIR)/nacl64.exe',
                 '<(PRODUCT_DIR)/ppGoogleNaClPluginChrome.dll',
                 '<(PRODUCT_DIR)/nacl_irt_x86_32.nexe',
                 '<(PRODUCT_DIR)/nacl_irt_x86_64.nexe',
                 '<(PRODUCT_DIR)/locales/en-US.pak',
                 '<(PRODUCT_DIR)/icudt.dll',
               ],
               'outputs': [
@@ skipping 38 matching lines @@
       'variables': {
          'branding_dir': '../app/theme/google_chrome',
       },
     }, { # else branding!="Chrome"
       'variables': {
          'branding_dir': '../app/theme/chromium',
       },
     }],
   ],
 }