Revert of Remove ref_counted.cc

base/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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 467 matching lines @@
     "memory/memory_pressure_monitor.cc",
     "memory/memory_pressure_monitor.h",
     "memory/memory_pressure_monitor_chromeos.cc",
     "memory/memory_pressure_monitor_chromeos.h",
     "memory/memory_pressure_monitor_mac.cc",
     "memory/memory_pressure_monitor_mac.h",
     "memory/memory_pressure_monitor_win.cc",
     "memory/memory_pressure_monitor_win.h",
     "memory/ptr_util.h",
     "memory/raw_scoped_refptr_mismatch_checker.h",
+    "memory/ref_counted.cc",
     "memory/ref_counted.h",
     "memory/ref_counted_delete_on_message_loop.h",
     "memory/ref_counted_memory.cc",
     "memory/ref_counted_memory.h",
     "memory/scoped_policy.h",
     "memory/scoped_vector.h",
     "memory/shared_memory.h",
     "memory/shared_memory_android.cc",
     "memory/shared_memory_handle.h",
     "memory/shared_memory_handle_mac.cc",
@@ skipping 1959 matching lines @@
     testonly = true
     deps = [
       ":base_java",
     ]
     java_files = [
       "test/android/java/src/org/chromium/base/ContentUriTestUtils.java",
       "test/android/java/src/org/chromium/base/TestSystemMessageHandler.java",
     ]
   }
 }