Create an interactive site-per-process browsertest class and move DocumentHasFocus there.

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 280 matching lines @@
   test("interactive_ui_tests") {
     sources =
         rebase_path(chrome_tests_gypi_values.chrome_interactive_ui_test_sources,
                     ".",
                     "//chrome")
 
     configs += [ "//build/config:precompiled_headers" ]
 
     data = [
       "data/",
+      "//content/test/data/",
       "//net/data/ssl/certificates/",
       "//net/tools/testserver/",
       "//ppapi/tests/test_case.html",
       "//ppapi/tests/test_case.html.mock-http-headers",
       "//ppapi/tests/test_page.css",
       "//ppapi/tests/test_page.css.mock-http-headers",
       "//third_party/pyftpdlib/",
       "//third_party/pywebsocket/",
       "//third_party/tlslite/",
       "//third_party/zlib/google/test/data/",
@@ skipping 1951 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",
     ]
   }
 }