Remove enable_topchrome_md build flag

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 332 matching lines @@
       "//third_party/pywebsocket/",
       "//third_party/tlslite/",
       "//third_party/zlib/google/test/data/",
       "//tools/metrics/histograms/histograms.xml",
       "$root_out_dir/pyproto/google/",
       "$root_out_dir/ui_test.pak",
     ]
     if (is_linux || is_win) {
       data += [
         "$root_out_dir/chrome_100_percent.pak",
-        "$root_out_dir/chrome_material_100_percent.pak",
         "$root_out_dir/chrome_200_percent.pak",
-        "$root_out_dir/chrome_material_200_percent.pak",
         "$root_out_dir/locales/en-US.pak",
         "$root_out_dir/locales/fr.pak",
       ]
     }
     if (is_linux) {
       data += [ "$root_out_dir/libppapi_tests.so" ]
     }
     if (!is_mac) {
       data_deps += [ "//chrome:packed_extra_resources" ]
     }
@@ skipping 2025 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",
     ]
   }
 }