Remove old iossim code (pre-Xcode 8) and class-dump.

third_party/class-dump/class-dump.gni

Index: third_party/class-dump/class-dump.gni
diff --git a/third_party/class-dump/class-dump.gni b/third_party/class-dump/class-dump.gni
deleted file mode 100644
index a87d84d947543ce91354aca61128c1eaca6ea7ff..0000000000000000000000000000000000000000
--- a/third_party/class-dump/class-dump.gni
+++ /dev/null
@@ -1,96 +0,0 @@
-# Copyright 2016 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.
-
-# Given a framework, generates a header file declaring the classes from that
-# framework using class-dump tool.
-#
-# Arguments:
-#
-#   framework_name
-#       string, short name of the framework.
-#
-#   framework_path
-#       string, location of the framework, usually a sub-directory of
-#       Xcode application bundle.
-#
-#   framework_version
-#       (optional) string, version of the framework to dump class for,
-#       defaults to "Current" if omitted.
-#
-#   class_dump_filter
-#       regexp, only display classes matching this regular expression.
-#
-#   topological_sort
-#       (optional) boolean, sort classes, categories, and protocols by
-#       inheritance, defaults to false if omitted.
-#
-# All common target arugments ("visibility", "deps", ...) are forwarded by
-# the template.
-template("class_dump") {
-  assert(defined(invoker.framework_name),
-         "framework_name must be defined for $target_name")
-  assert(defined(invoker.framework_path),
-         "framework_path must be defined for $target_name")
-  assert(defined(invoker.class_dump_filter),
-         "class_dump_filter must be defined for $target_name")
-
-  framework_version = "Current"
-  if (defined(invoker.framework_version)) {
-    framework_version = invoker.framework_version
-  }
-
-  sort_args = []
-  if (defined(invoker.topological_sort) && invoker.topological_sort) {
-    sort_args = [ "-I" ]
-  }
-
-  class_dump = "//third_party/class-dump(${host_toolchain})"
-  class_dump_bin = get_label_info(class_dump, "root_out_dir") + "/class-dump"
-  framework = "${invoker.framework_path}/${invoker.framework_name}.framework"
-
-  _config_name = target_name + "_config"
-
-  config(_config_name) {
-    visibility = [ ":$target_name" ]
-    include_dirs = [ "$target_gen_dir" ]
-  }
-
-  action(target_name) {
-    forward_variables_from(invoker,
-                           "*",
-                           [
-                             "args",
-                             "class_dump_filter",
-                             "framework_name",
-                             "framework_path",
-                             "framework_version",
-                             "script",
-                             "sources",
-                           ])
-    if (!defined(deps)) {
-      deps = []
-    }
-    deps += [ class_dump ]
-    public_configs = [ ":$_config_name" ]
-
-    script = "//third_party/class-dump/class-dump.py"
-    inputs = [
-      class_dump_bin,
-    ]
-    sources = [
-      "${framework}/Versions/${framework_version}/${invoker.framework_name}",
-    ]
-    outputs = [
-      "$target_gen_dir/${invoker.framework_name}.h",
-    ]
-    args = [
-      "-t=" + rebase_path(class_dump_bin, root_build_dir),
-      "-o=" + rebase_path(outputs[0], root_build_dir),
-      "--",
-      "-C${invoker.class_dump_filter}",
-      "${framework}",
-    ]
-    args += sort_args
-  }
-}