[ObjC ARC] Converts ios/public/consumer/base:base to ARC.

Automatically generated ARCMigrate commit
Notable issues:None
BUG=624363
TEST=None

Review-Url: https://codereview.chromium.org/2533453002
Cr-Commit-Position: refs/heads/master@{#436281}

ios/consumer/base/debugger.mm

-// Copyright 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.
-
-#include "base/debug/debugger.h"
-#include "ios/public/consumer/base/debugger.h"
-
-namespace ios {
-
-bool BeingDebugged() {
-  return base::debug::BeingDebugged();
-}
-
-}  // namespace ios

ios/public/consumer/base/BUILD.gn

@@ -3,8 +3,9 @@
 # found in the LICENSE file.
 
 source_set("base") {
+  configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
-    "//ios/consumer/base/debugger.mm",
+    "//ios/consumer/base/debugger.cc",
     "//ios/public/consumer/base/debugger.h",
   ]
   deps = [