🙅 Bind a WebAPK to its "host" browser.

web_apks/minting_example/BUILD.gn

 # 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.
 
 import("//build/config/android/rules.gni")
 
 declare_args() {
   # The origin URL of minted apks, for example: "foo.com"
   manifest_package_minting_origin = "template"
 
+  # The browser to which WebAPKs will be bound.
+  runtime_host = "com.google.android.apps.chrome"
+
   # The URL for the minted apks, for example: "https://foo.com"
   host_url = "https://www.template.com/home_page"
   scope_url_host = "www.template.com"
 
   # The message authentication code from Chrome for identity verification.
   mac = "template"
 
   # The scope of the Urls that the Minted APKs could navigate to.
   scope = "https://www.template.com"
 }
@@ skipping 14 matching lines @@
   output = minting_example_manifest
 
   # The variable values must be non empty and globally unique in
   # AndroidManifest.xml in order for the string substitution in APKMinting.java
   # to work.
   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",
     "scope_url_host=$scope_url_host",
     "mac=$mac",
     "scope=$scope",
   ]
 }
 
 android_resources("minting_apk_resources") {
   resource_dirs = [ "$minting_example_dir/res" ]
   custom_package = "$manifest_package_minting"
 }
 
 android_library("minting_client_lib") {
   java_files = [
     "$minting_client_dir/org/chromium/minting/lib/client/DexOptimizer.java",
     "$minting_client_dir/org/chromium/minting/lib/client/MintingStateParams.java",
     "$minting_client_dir/org/chromium/minting/lib/client/NavigationClient.java",
     "$minting_client_dir/org/chromium/minting/lib/client/NotificationBuilderDelegate.java",
     "$minting_client_dir/org/chromium/minting/lib/client/NotificationClient.java",
     "$minting_client_dir/org/chromium/minting/lib/client/WebAPKRegistry.java",
     "$minting_client_dir/org/chromium/minting/lib/client/WebAPKValidator.java",
   ]
   deps = [
     ":minting_common_lib",
     "//third_party/android_tools:android_support_v13_java",
   ]
   srcjar_deps = [ ":minting_service_aidl" ]
 }
 
 android_library("minting_common_lib") {
-  java_files = [ "$minting_common_dir/org/chromium/minting/lib/common/WebAPKConstants.java" ]
+  java_files = [
+    "$minting_common_dir/org/chromium/minting/lib/common/WebAPKConstants.java",
+    "$minting_common_dir/org/chromium/minting/lib/common/WebAPKUtils.java"
+  ]
 }
 
 android_aidl("minting_service_aidl") {
   import_include = "$minting_runtime_library_dir/src/org/chromium/minting"
   interface_file =
       "$minting_runtime_library_dir/src/org/chromium/minting/common.aidl"
   sources = [
     "$minting_runtime_library_dir/src/org/chromium/minting/IMintedApi.aidl",
     "$minting_runtime_library_dir/src/org/chromium/minting/IMintedApiCallback.aidl",
   ]
@@ skipping 40 matching lines @@
     ":minting_apk_resources",
     ":minting_common_lib",
     ":minting_example_manifest",
   ]
 }
 
 android_library("web_apk_javatests") {
   java_files = [ "$minting_example_dir/javatests/src/org/chromium/minting/DexLoaderTest.java" ]
   deps = [
     ":dex_loader_lib",
+    ":minting_common_lib",
     "//base:base_java",
     "//content/public/test/android:content_java_test_support",
   ]
   srcjar_deps = [ "//web_apks/minting_example/javatests/dex_optimizer:dex_optimizer_service_aidl" ]
 }