Upstream: DexOptimizer and DexLoader classes

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")
 
 declare_args() {
   # The origin URL of the WebAPK. Used to generate a unique package name for
   # WebAPK. Example: "foo.com"
   webapk_manifest_package_origin = "template"
@@ skipping 31 matching lines @@
     "scope_url=$webapk_scope_url",
     "scope_url_host=$webapk_scope_url_host",
   ]
 }
 
 android_resources("shell_apk_resources") {
   resource_dirs = [ "res" ]
   custom_package = "org.chromium.webapk.shell_apk"
 }
 
+android_library("dex_loader_lib") {
+  java_files = [ "src/org/chromium/webapk/shell_apk/DexLoader.java" ]
+}
+
 # Template for WebAPK. When a WebAPK is generated:
 # - Android manifest is customized to the website.
 # - App icon is extracted from the website and added to the APK's resources.
 android_apk("webapk") {
   android_manifest = shell_apk_manifest
   apk_name = "WebApk.$webapk_manifest_package_origin"
   java_files = [ "src/org/chromium/webapk/shell_apk/MainActivity.java" ]
   deps = [
     ":shell_apk_manifest",
     ":shell_apk_resources",
     "//chrome/android/webapk/libs/common",
   ]
 }
+
+android_library("shell_apk_javatests") {
+  testonly = true
+  java_files =
+      [ "javatests/src/org/chromium/webapk/shell_apk/DexLoaderTest.java" ]
+  deps = [
+    ":dex_loader_lib",
+    "//base:base_java",
+    "//chrome/android/webapk/libs/common",
+    "//content/public/test/android:content_java_test_support",
+  ]
+  srcjar_deps = [ "javatests/dex_optimizer:dex_optimizer_service_aidl" ]
+}