🙅 Bind a WebAPK to its "host" browser.

web_apks/minting_example/minting_example.gyp

 # Copyright 2015 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': {
     'package_name': 'minting_example_public_apk',
     'manifest_package_minting': 'org.chromium.minting',
     'manifest_package_minting_origin%': '',
     'minting_example_apk_manifest': '<(SHARED_INTERMEDIATE_DIR)/minting_example_apk_manifest/AndroidManifest.xml',
     'use_unpublished_apis%': 0,
     'host_url%': '',
+    'runtime_host%': 'com.google.android.apps.chrome',
     'mac%': '',
   },
   'targets': [
     {
       # GN: //web_apks/minting_example:minting_example_manifest
       'target_name': 'minting_example_manifest',
       'type': 'none',
       'variables': {
         'jinja_inputs': ['../../web_apks/minting_example/AndroidManifest.xml'],
         'jinja_output': '<(minting_example_apk_manifest)',
         'jinja_variables': [
           'manifest_package=<(manifest_package_minting).<(manifest_package_minting_origin)',
           'min_sdk_version=16',
           'target_sdk_version=23',
           'host_url=<(host_url)',
+          'runtime_host=<(runtime_host)',
           'mac=<(mac)',
         ],
       },
       'includes': [ '../../build/android/jinja_template.gypi' ],
     },
     {
       # GN: //web_apks/minting_exmaple:minting_example_apk
       'target_name': 'minting_example_apk',
       'type': 'none',
       'variables': {
@@ skipping 27 matching lines @@
         'aidl_interface_file': '<(java_in_dir)/src/org/chromium/minting/common.aidl',
       },
       'sources': [
         '<(java_in_dir)/src/org/chromium/minting/IMintedApiCallback.aidl',
         '<(java_in_dir)/src/org/chromium/minting/IMintedApi.aidl',
       ],
       'includes': [ '../../build/java_aidl.gypi' ],
     }
   ],
 }