Replace most uses of asset_location with android_assets() template

net/BUILD.gn

 # Copyright (c) 2013 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/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build_overrides/v8.gni")
@@ skipping 1190 matching lines @@
     jni_package = "net"
   }
   generate_jni("net_test_jni_headers") {
     sources = [
       "android/javatests/src/org/chromium/net/AndroidKeyStoreTestUtil.java",
       "test/android/javatests/src/org/chromium/net/test/DummySpnegoAuthenticator.java",
       "test/android/javatests/src/org/chromium/net/test/EmbeddedTestServer.java",
     ]
     jni_package = "net/test"
   }
-
-  _net_unittests_apk_assets_dir = "$root_out_dir/net_unittests_apk/assets"
-
-  copy_ex("copy_net_unittests_apk_assets") {
-    clear_dir = true
-    dest = _net_unittests_apk_assets_dir
-
-    if (v8_use_external_startup_data) {
-      renaming_sources = v8_external_startup_data_renaming_sources
-      renaming_destinations = v8_external_startup_data_renaming_destinations
-      deps = [
-        "//v8",
-      ]
-    }
-  }
 }
 
 if (is_android || is_linux) {
   executable("disk_cache_memory_test") {
     testonly = true
     sources = [
       "tools/disk_cache_memory_test/disk_cache_memory_test.cc",
     ]
     deps = [
       ":net",
@@ skipping 373 matching lines @@
     ]
   }
 
   if (is_android) {
     apk_deps = [
       "//base:base_java_unittest_support",
       "//net/android:net_java",
       "//net/android:net_javatests",
       "//net/android:net_java_test_support",
       "//net/android:net_unittests_apk_resources",
-      ":copy_net_unittests_apk_assets",
+      "//v8:v8_external_startup_data_assets",
     ]
     android_manifest = "//net/android/unittest_support/AndroidManifest.xml"
     sources -= [
       # See bug http://crbug.com/344533.
       "disk_cache/blockfile/index_table_v3_unittest.cc",
     ]
     deps += [
       ":net_test_jni_headers",
 
       # TODO(mmenke):  This depends on test_support_base, which depends on
       #                icu.  Figure out a way to remove that dependency.
       "//testing/android/native_test:native_test_native_code",
     ]
     set_sources_assignment_filter([])
     sources += [ "base/address_tracker_linux_unittest.cc" ]
     set_sources_assignment_filter(sources_assignment_filter)
-    apk_asset_location = _net_unittests_apk_assets_dir
     isolate_file = "net_unittests.isolate"
   }
 
   # Symbols for crashes when running tests on swarming.
   if (symbol_level > 0) {
     if (is_win) {
       data += [ "$root_out_dir/net_unittests.exe.pdb" ]
     } else if (is_mac) {
       data += [ "$root_out_dir/net_unittests.dSYM/" ]
     }
@@ skipping 30 matching lines @@
   if (enable_websockets) {
     sources += [ "websockets/websocket_frame_perftest.cc" ]
   }
 
   if (use_v8_in_net) {
     deps += [ ":net_with_v8" ]
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 }