[Android] Enable WebAPK to have multiple intent filters

chrome/android/webapk/shell_apk/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")
 import("manifest_processor.gni")
 import("shell_apk_version.gni")
 
-declare_args() {
-  # The browser that the WebAPK will be bound to.
-  webapk_runtime_host = "com.google.android.apps.chrome"
-
-  # The application name of the browser that the WebAPK will be bound to.
-  webapk_runtime_host_application_name = "Chromium"
-
-  # The Url of the Web Manifest file.
-  webapk_web_manifest_url = "https://pwa.rocks/pwa.webmanifest"
-
-  # Murmur2 hash of the homescreen icon. The hash should be of the icon as it is
-  # available from the web. The icon bytes should not be transformed (e.g.
-  # decoded / encoded) prior to taking the hash.
-  webapk_icon_murmur2_hash = "0"
-
-  # Attributes from Web Manifest.
-  webapk_start_url = "https://pwa.rocks/"
-  webapk_scope_url = "https://pwa.rocks/"
-  webapk_display_mode = "standalone"
-  webapk_orientation = "portrait"
-  webapk_theme_color = "2147483648L"  # HostBrowserLauncher#MANIFEST_COLOR_INVALID_OR_MISSING
-  webapk_background_color = "2147483648L"  #HostBrowserLauncher#MANIFEST_COLOR_INVALID_OR_MISSING
-  webapk_icon_urls_and_icon_murmur2_hashes = "http://www.pwa.rocks/icon1.png $webapk_icon_murmur2_hash http://www.pwa.rocks/icon2.png $webapk_icon_murmur2_hash"
-
-  # Scheme part of |webapk_scope_url|.
-  webapk_scope_url_scheme = "https"
-
-  # Host part of |webapk_scope_url|.
-  webapk_scope_url_host = "pwa.rocks"
-
-  # Path part of |webapk_scope_url|.
-  webapk_scope_url_path = "/"
-
-  # Android version code for the WebAPK.
-  webapk_version_code = "1"
-
-  # Android version name for the WebAPK.
-  webapk_version_name = "1.0"
-}
-
 shell_apk_manifest = "$target_gen_dir/shell_apk_manifest/AndroidManifest.xml"
 unbound_shell_apk_manifest =
     "$target_gen_dir/unbound_shell_apk_manifest/AndroidManifest.xml"
 shell_apk_manifest_javatests =
     "$target_gen_dir/shell_apk_manifest_javatests/AndroidManifest.xml"
 
 manifest_processor_template("shell_apk_manifest") {
   input = "AndroidManifest.xml"
+  config_file = "bound_manifest_config.json"
   output = shell_apk_manifest
 
-  variables = [
-    "shell_apk_version=$template_shell_apk_version",
-    "manifest_package=org.chromium.webapk",
-    "runtime_host=$webapk_runtime_host",
-    "runtime_host_application_name=$webapk_runtime_host_application_name",
-    "start_url=$webapk_start_url",
-    "scope_url=$webapk_scope_url",
-    "display_mode=$webapk_display_mode",
-    "orientation=$webapk_orientation",
-    "theme_color=$webapk_theme_color",
-    "background_color=$webapk_background_color",
-    "icon_urls_and_icon_murmur2_hashes=$webapk_icon_urls_and_icon_murmur2_hashes",
-    "scope_url_scheme=$webapk_scope_url_scheme",
-    "scope_url_host=$webapk_scope_url_host",
-    "scope_url_path=$webapk_scope_url_path",
-    "web_manifest_url=$webapk_web_manifest_url",
-    "version_code=$webapk_version_code",
-    "version_name=$webapk_version_name",
-  ]
+  extra_variables = [ "shell_apk_version=$template_shell_apk_version" ]
 }
 
 manifest_processor_template("unbound_shell_apk_manifest") {
   input = "AndroidManifest.xml"
+  config_file = "unbound_manifest_config.json"
   output = unbound_shell_apk_manifest
 
-  variables = [
-    "shell_apk_version=$template_shell_apk_version",
-    "manifest_package=org.chromium.arbitrarypackage",
-
-    # Intentionally omitted: "runtime_host=org.chromium.chrome",
-    "include_label=true",
-    "start_url=$webapk_start_url",
-    "scope_url=$webapk_scope_url",
-    "display_mode=$webapk_display_mode",
-    "orientation=$webapk_orientation",
-    "theme_color=$webapk_theme_color",
-    "background_color=$webapk_background_color",
-    "icon_urls_and_icon_murmur2_hashes=$webapk_icon_urls_and_icon_murmur2_hashes",
-    "scope_url_scheme=$webapk_scope_url_scheme",
-    "scope_url_host=$webapk_scope_url_host",
-    "scope_url_path=$webapk_scope_url_path",
-    "web_manifest_url=$webapk_web_manifest_url",
-    "version_code=$webapk_version_code",
-    "version_name=$webapk_version_name",
-  ]
+  extra_variables = [ "shell_apk_version=$template_shell_apk_version" ]
 }
 
 # Manifest for instrumentation tests. Cannot be customized via GN args.
 manifest_processor_template("shell_apk_manifest_javatests") {
   input = "AndroidManifest.xml"
+  config_file = "javatest_manifest_config.json"
   output = shell_apk_manifest_javatests
 
-  variables = [
-    "shell_apk_version=$template_shell_apk_version",
-    "manifest_package=org.chromium.webapk.test",
-    "runtime_host=org.chromium.chrome",
-    "start_url=https://pwa.rocks",
-    "scope_url=https://pwa.rocks",
-    "display_mode=standalone",
-    "orientation=portrait",
-    "theme_color=2147483648L",  # HostBrowserLauncher#MANIFEST_COLOR_INVALID_OR_MISSING
-    "background_color=2147483648L",  # HostBrowserLauncher#MANIFEST_COLOR_INVALID_OR_MISSING
-    "icon_urls_and_icon_murmur2_hashes=",
-    "scope_url_scheme=https",
-    "scope_url_host=pwa.rocks",
-    "scope_url_path=/",
-    "web_manifest_url=https://pwa.rocks/pwa.webmanifest",
-    "version_code=1",
-    "version_name=1.0",
-  ]
+  extra_variables = [ "shell_apk_version=$template_shell_apk_version" ]
 }
 
 android_resources("shell_apk_resources") {
   resource_dirs = [ "res" ]
   custom_package = "org.chromium.webapk.shell_apk"
   deps = [
     ":webapk_strings_grd",
   ]
 }
 
@@ skipping 133 matching lines @@
     "//chrome/android/webapk/libs/common:common_java",
     "//content/public/test/android:content_java_test_support",
     "//third_party/android_support_test_runner:runner_java",
   ]
   srcjar_deps = [ "javatests/dex_optimizer:dex_optimizer_service_aidl" ]
 }
 
 junit_binary("webapk_shell_apk_junit_tests") {
   java_files = [
     "junit/src/org/chromium/webapk/shell_apk/HostBrowserClassLoaderTest.java",
+    "junit/src/org/chromium/webapk/shell_apk/MainActivityTest.java",
     "junit/src/org/chromium/webapk/shell_apk/WebApkUtilsTest.java",
   ]
   deps = [
     ":webapk_java",
     "//chrome/android/webapk/libs/common:common_java",
     "//chrome/android/webapk/test:junit_test_support",
   ]
 }