[Autofill] Migrate ContentAutofillDriver<-->AutofillAgent IPCs to mojo.

chrome/test/BUILD.gn

 # Copyright 2014 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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/chrome_tests.gni")
@@ skipping 961 matching lines @@
       "//content/test:test_support",
       "//crypto:platform",
       "//crypto:test_support",
       "//device/bluetooth:mocks",
       "//device/serial:test_support",
       "//device/usb:test_support",
       "//google_apis:test_support",
       "//media",
       "//media/base:test_support",
       "//media/cast:test_support",
+      "//mojo/common:common_base",
       "//net",
       "//net:test_support",
       "//sdch",
+      "//services/shell/public/cpp",
       "//skia",
       "//sync",
       "//testing/gmock",
       "//testing/gtest",
       "//testing/perf",
       "//third_party/cacheinvalidation",
       "//third_party/icu",
       "//third_party/leveldatabase",
       "//third_party/libjingle",
       "//third_party/webrtc/modules/desktop_capture",
@@ skipping 1473 matching lines @@
 if (is_android) {
   android_library("unit_tests_java") {
     java_files = [ "android/unit_tests_apk/src/org/chromium/chrome/unit_tests_apk/ChromeNativeTestApplication.java" ]
     deps = [
       "//base:base_java",
       "//chrome/android:chrome_java",
       "//content/public/android:content_java",
     ]
   }
 }