Shape Detection: Add two content browser tests for face detection

content/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("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 587 matching lines @@
     "../browser/renderer_host/input/touch_input_browsertest.cc",
     "../browser/renderer_host/input/touch_selection_controller_client_aura_browsertest.cc",
     "../browser/renderer_host/render_process_host_browsertest.cc",
     "../browser/renderer_host/render_view_host_browsertest.cc",
     "../browser/renderer_host/render_widget_host_view_browsertest.cc",
     "../browser/resource_loading_browsertest.cc",
     "../browser/screen_orientation/screen_orientation_browsertest.cc",
     "../browser/security_exploit_browsertest.cc",
     "../browser/service_worker/service_worker_browsertest.cc",
     "../browser/session_history_browsertest.cc",
+    "../browser/shapedetection/shapedetection_browsertest.cc",
     "../browser/shared_worker/worker_browsertest.cc",
     "../browser/site_per_process_browsertest.cc",
     "../browser/site_per_process_browsertest.h",
     "../browser/site_per_process_mac_browsertest.mm",
     "../browser/top_document_isolation_browsertest.cc",
     "../browser/tracing/background_tracing_manager_browsertest.cc",
     "../browser/tracing/memory_tracing_browsertest.cc",
     "../browser/tracing/tracing_controller_browsertest.cc",
     "../browser/utility_process_host_impl_browsertest.cc",
     "../browser/utility_process_mojo_client_browsertest.cc",
@@ skipping 1069 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }