Mojo: Specify/check alignment of pointers more carefully.

mojo/mojo.gyp

 # 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.
 
 {
   'target_defaults': {
     'conditions': [
       ['mojo_shell_debug_url != ""', {
         'defines': [
           'MOJO_SHELL_DEBUG=1',
@@ skipping 225 matching lines @@
       'sources': [
         'embedder/embedder_unittest.cc',
         'embedder/platform_channel_pair_posix_unittest.cc',
         'system/channel_unittest.cc',
         'system/core_unittest.cc',
         'system/core_test_base.cc',
         'system/core_test_base.h',
         'system/data_pipe_unittest.cc',
         'system/dispatcher_unittest.cc',
         'system/local_data_pipe_unittest.cc',
+        'system/memory_unittest.cc',
         'system/message_pipe_dispatcher_unittest.cc',
         'system/message_pipe_unittest.cc',
         'system/multiprocess_message_pipe_unittest.cc',
         'system/platform_handle_dispatcher_unittest.cc',
         'system/raw_channel_unittest.cc',
         'system/raw_shared_buffer_unittest.cc',
         'system/remote_message_pipe_unittest.cc',
         'system/shared_buffer_dispatcher_unittest.cc',
         'system/simple_dispatcher_unittest.cc',
         'system/test_utils.cc',
@@ skipping 617 matching lines @@
             'aura/screen_mojo.cc',
             'aura/screen_mojo.h',
             'aura/window_tree_host_mojo.cc',
             'aura/window_tree_host_mojo.h',
           ],
         },
       ],
     }],
   ],
 }