Move the user agent styles sheets to blink_resources.grd (Part 2) with Unit test support

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/features.gni")
 import("//build/config/ui.gni")
 
 content_tests_gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("../content_tests.gypi"),
@@ skipping 30 matching lines @@
   if (!is_ios) {
     sources = rebase_path(content_tests_gypi_values.test_support_content_sources,
                           ".", "//content")
 
     deps += [
       "//content/browser/speech/proto",
       "//content/public/child:child_sources",
       "//content/gpu",
       "//content/public/renderer:renderer_sources",
       "//content/public/utility:utility_sources",
+      "//content/shell:pak",
       "//cc",
       "//cc:test_support",
       "//media",
       "//ppapi:ppapi_host",
       "//ppapi:ppapi_proxy",
       "//ppapi:ppapi_shared",
       "//ppapi:ppapi_unittest_shared",
       "//storage/browser",
       "//storage/common",
       "//third_party/WebKit/public:blink",
@@ skipping 111 matching lines @@
 
     generate_jni("jni") {
       sources = [ "../public/test/android/javatests/src/org/chromium/content/browser/test/NestedSystemMessageHandler.java" ]
       jni_package = "content/public/test"
     }
   }
 }  # !is_ios
 
 # TODO(GYP): Unit test targets