Move //webapk to //chrome/android/webapk

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 minted apks, for example: "foo.com"
   manifest_package_webapk_origin = "template"
 
@@ skipping 56 matching lines @@
     "src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java",
     "src/org/chromium/webapk/shell_apk/Reflect.java",
   ]
   chromium_code = false
   proguard_enabled = true
   proguard_configs = [ "proguard.flags" ]
   deps = [
     ":dex_loader_lib",
     ":shell_apk_manifest",
     ":shell_apk_resources",
-    "//webapk/libs/common",
+    "//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",
-    "//webapk/libs/common",
   ]
   srcjar_deps = [ "javatests/dex_optimizer:dex_optimizer_service_aidl" ]
 }