Fix missing GN dependencies.

chrome/test/chromedriver/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/ui.gni")
 import("//chrome/chrome_tests.gni")
 import("//testing/test.gni")
 
 # GYP version: chrome/chrome_tests.gypi:automation_client_lib
 #              (embed_js_in_cpp action)
@@ skipping 77 matching lines @@
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   # Also compile the generated files.
   sources += get_target_outputs(":embed_extension_in_cpp")
   sources += get_target_outputs(":embed_js_in_cpp")
   sources += get_target_outputs(":embed_user_data_dir_in_cpp")
 
   deps = [
+    ":embed_extension_in_cpp",
     ":embed_js_in_cpp",
     ":embed_user_data_dir_in_cpp",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//net",
     "//third_party/zlib:zip",
     "//third_party/zlib:minizip",
     "//ui/accessibility:ax_gen",
     "//ui/base",
     "//ui/gfx",
@@ skipping 113 matching lines @@
     ":lib",
     "//base",
     "//base/test:run_all_unittests",
     "//net",
     "//net:http_server",
     "//net:test_support",
     "//testing/gtest",
     "//url",
   ]
 }