Take Murmur2 hash of untransformed icon when creating WebAPK part 1

chrome/chrome_browser.gypi

 # Copyright 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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 995 matching lines @@
       'browser/android/webapk/manifest_upgrade_detector_fetcher.cc',
       'browser/android/webapk/manifest_upgrade_detector_fetcher.h',
       'browser/android/webapps/add_to_homescreen_data_fetcher.cc',
       'browser/android/webapps/add_to_homescreen_data_fetcher.h',
       'browser/android/webapps/add_to_homescreen_dialog_helper.cc',
       'browser/android/webapps/add_to_homescreen_dialog_helper.h',
       'browser/android/webapps/single_tab_mode_tab_helper.cc',
       'browser/android/webapps/single_tab_mode_tab_helper.h',
       'browser/android/webapps/webapp_registry.cc',
       'browser/android/webapps/webapp_registry.h',
+      'browser/android/webapk/webapk_icon_hasher.cc',
+      'browser/android/webapk/webapk_icon_hasher.h',
       'browser/android/webapk/webapk_installer.cc',
       'browser/android/webapk/webapk_installer.h',
       'browser/autofill/android/personal_data_manager_android.cc',
       'browser/autofill/android/personal_data_manager_android.h',
       'browser/dom_distiller/dom_distiller_service_factory_android.cc',
       'browser/dom_distiller/dom_distiller_service_factory_android.h',
       'browser/dom_distiller/tab_utils_android.cc',
       'browser/dom_distiller/tab_utils_android.h',
       'browser/download/download_request_infobar_delegate_android.cc',
       'browser/download/download_request_infobar_delegate_android.h',
@@ skipping 3317 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }