Create ipc.dll.

ipc/ipc.gypi

 # Copyright (c) 2011 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': {
     'variables': {
       'ipc_target': 0,
     },
     'target_conditions': [
       # This part is shared between the targets defined below.
       ['ipc_target==1', {
         'sources': [
           'file_descriptor_set_posix.cc',
           'file_descriptor_set_posix.h',
           'ipc_channel.h',
           'ipc_channel_handle.h',
           'ipc_channel_posix.cc',
           'ipc_channel_posix.h',
           'ipc_channel_proxy.cc',
           'ipc_channel_proxy.h',
           'ipc_channel_win.cc',
           'ipc_channel_win.h',
           'ipc_descriptors.h',
+          'ipc_export.h',
           'ipc_logging.cc',
           'ipc_logging.h',
           'ipc_message.cc',
           'ipc_message.h',
           'ipc_message_macros.h',
           'ipc_message_utils.cc',
           'ipc_message_utils.h',
           'ipc_param_traits.h',
           'ipc_platform_file.cc',
           'ipc_platform_file.h',
           'ipc_switches.cc',
           'ipc_switches.h',
           'ipc_sync_channel.cc',
           'ipc_sync_channel.h',
           'ipc_sync_message.cc',
           'ipc_sync_message.h',
           'ipc_sync_message_filter.cc',
           'ipc_sync_message_filter.h',
           'param_traits_log_macros.h',
           'param_traits_macros.h',
           'param_traits_read_macros.h',
           'param_traits_write_macros.h',
           'struct_constructor_macros.h',
           'struct_destructor_macros.h',
         ],
+        'defines': [
+          'IPC_IMPLEMENTATION',
+        ],
         'include_dirs': [
           '..',
         ],
       }],
     ],
   },
   'targets': [
     {
       'target_name': 'ipc',
-      'type': 'static_library',
+      'type': '<(component)',
       'variables': {
         'ipc_target': 1,
       },
       'dependencies': [
         '../base/base.gyp:base',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
       ],
       # TODO(gregoryd): direct_dependent_settings should be shared with the
       # 64-bit target, but it doesn't work due to a bug in gyp
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
       },
     },
   ],
   'conditions': [
     ['OS=="win"', {
       'targets': [
         {
           'target_name': 'ipc_win64',
-          'type': 'static_library',
+          'type': '<(component)',
           'variables': {
             'ipc_target': 1,
           },
           'dependencies': [
             '../base/base.gyp:base_nacl_win64',
-            '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
+            '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations_win64',
           ],
           # TODO(gregoryd): direct_dependent_settings should be shared with the
           # 32-bit target, but it doesn't work due to a bug in gyp
           'direct_dependent_settings': {
             'include_dirs': [
               '..',
             ],
           },
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }