Moves LowMemoryObserver into chromeos and renames

chromeos/chromeos_memory.gypi

 # 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.
 
 {
   'targets': [
     {
-      'target_name': 'auto_login_parser',
-      'type': 'static_library',
+      'target_name': 'chromeos_memory',
+      'type': '<(component)',
       'dependencies': [
         '../base/base.gyp:base',
-        '../net/net.gyp:net',
+      ],
+      'defines': [
+        'CHROMEOS_MEMORY_IMPLEMENTATION',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
-        'auto_login_parser/auto_login_parser.cc',
-        'auto_login_parser/auto_login_parser.h',
+        'memory/low_memory_listener.cc',
+        'memory/low_memory_listener.h',
+        'memory/low_memory_listener_delegate.h',
       ],
     },
   ],
 }