Extracted shell_interfaces and shell_public into a separate gyp file.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 3369 matching lines @@
             '../media/media.gyp:media',
             '../media/midi/midi.gyp:midi',
             '../media/mojo/interfaces/mojo_bindings.gyp:platform_verification_api',
             '../mojo/mojo_base.gyp:mojo_common_lib',
             '../mojo/mojo_base.gyp:mojo_url_type_converters',
             '../mojo/mojo_edk.gyp:mojo_system_impl',
             '../mojo/mojo_public.gyp:mojo_cpp_bindings',
             '../mojo/mojo_public.gyp:mojo_js_bindings',
             '../net/net.gyp:net_extras',
             '../net/net.gyp:net_with_v8',
-            '../services/shell/shell.gyp:shell_public',
+            '../services/shell/shell_public.gyp:shell_public',
             '../storage/storage_browser.gyp:storage',
             '../storage/storage_common.gyp:storage_common',
             '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
             '../third_party/libaddressinput/libaddressinput.gyp:libaddressinput',
             '../third_party/libyuv/libyuv.gyp:libyuv',
             '../third_party/re2/re2.gyp:re2',
             '../third_party/smhasher/smhasher.gyp:cityhash',
             '../third_party/webrtc/modules/modules.gyp:desktop_capture',
             '../ui/base/ime/ui_base_ime.gyp:ui_base_ime',
             '../ui/gl/gl.gyp:gl',
@@ skipping 861 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }