GN: Remove asset_location parameter in favour of android_assets()

build/config/android/internal_rules.gni

 # 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/android/config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/zip.gni")
 import("//third_party/ijar/ijar.gni")
 
 assert(is_android)
@@ skipping 835 matching lines @@
   _native_libs = []
   if (defined(invoker.native_libs)) {
     _native_libs = invoker.native_libs
   }
   _native_libs_even_when_incremental = []
   if (defined(invoker.native_libs_even_when_incremental)) {
     _native_libs_even_when_incremental =
         invoker.native_libs_even_when_incremental
   }
 
-  # TODO(agrieve): Remove support for asset_location in favor of using
-  # android_assets() everywhere (http://crbug.com/547162).
-  if (defined(invoker.asset_location)) {
-    _asset_location = invoker.asset_location
-    assert(_asset_location != "")  # Mark as used.
-  }
-
   _version_code = invoker.version_code
   _version_name = invoker.version_name
   assert(_version_code != -1)  # Mark as used.
   assert(_version_name != "")  # Mark as used.
 
   _base_apk_path = _base_path + ".apk_intermediates"
 
   _resource_packaged_apk_path = _base_apk_path + ".ap_"
   _incremental_resource_packaged_apk_path = _base_apk_path + "_incremental.ap_"
   _packaged_apk_path = _base_apk_path + ".unfinished.apk"
@@ skipping 51 matching lines @@
         "--android-manifest",
         rebase_path(invoker.android_manifest, root_build_dir),
         "--version-code",
         _version_code,
         "--version-name",
         _version_name,
         "--apk-path",
         rebase_path(invoker.resource_packaged_apk_path, root_build_dir),
       ]
 
-      if (defined(_asset_location)) {
-        args += [
-          "--asset-dir",
-          rebase_path(_asset_location, root_build_dir),
-        ]
-      }
       if (defined(_resources_zip)) {
         args += [
           "--resource-zips",
           rebase_path(_resources_zip, root_build_dir),
         ]
       }
       if (_shared_resources) {
         args += [ "--shared-resources" ]
       }
       if (_split_densities != []) {
@@ skipping 1072 matching lines @@
     ]
     args = [
       "--depfile",
       rebase_path(depfile, root_build_dir),
       "--script-output-path",
       rebase_path(generated_script, root_build_dir),
     ]
     args += test_runner_args
   }
 }