[sync] Componentize sync: Part 4: Fix includes in third_party/protobuf

content/browser/speech/proto/speech_proto.gyp

-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Copyright 2012 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': 'speech_proto',
      'type': 'static_library',
+     'defines': ['CONTENT_IMPLEMENTATION'],
      'sources': [
         'google_streaming_api.proto',
       ],
      'variables': {
         'proto_in_dir': '.',
         'proto_out_dir': 'content/browser/speech/proto',
+        'cc_generator_options': 'dllexport_decl=CONTENT_EXPORT:',
+        'cc_include': 'content/common/content_export.h',
       },
      'includes': [ '../../../../build/protoc.gypi' ],
     },
   ],
 }