Replace image_messages.h with Mojo service

content/content_common.gypi

 # Copyright (c) 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 329 matching lines @@
       'common/gpu/null_transport_surface.cc',
       'common/gpu/null_transport_surface.h',
       'common/gpu/stream_texture_android.cc',
       'common/gpu/stream_texture_android.h',
       'common/handle_enumerator_win.cc',
       'common/handle_enumerator_win.h',
       'common/host_discardable_shared_memory_manager.cc',
       'common/host_discardable_shared_memory_manager.h',
       'common/host_shared_bitmap_manager.cc',
       'common/host_shared_bitmap_manager.h',
-      'common/image_messages.h',
       'common/indexed_db/indexed_db_constants.h',
       'common/indexed_db/indexed_db_key.cc',
       'common/indexed_db/indexed_db_key.h',
       'common/indexed_db/indexed_db_key_path.cc',
       'common/indexed_db/indexed_db_key_path.h',
       'common/indexed_db/indexed_db_key_range.cc',
       'common/indexed_db/indexed_db_key_range.h',
       'common/indexed_db/indexed_db_messages.h',
       'common/indexed_db/indexed_db_param_traits.cc',
       'common/indexed_db/indexed_db_param_traits.h',
@@ skipping 688 matching lines @@
         'common/gpu/client/gpu_memory_buffer_impl_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h',
         'common/gpu/gpu_memory_buffer_factory_ozone.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.h',
       ],
     }],
   ],
 }