Split bundle generation steps so that API registration is generated in browser, not common.

extensions/extensions.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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 241 matching lines @@
         '../base/base.gyp:base_prefs',
         '../components/components.gyp:keyed_service_content',
         '../components/components.gyp:keyed_service_core',
         '../components/components.gyp:pref_registry',
         '../components/components.gyp:usb_service',
         '../components/components.gyp:web_modal',
         '../content/content.gyp:content_browser',
         '../device/serial/serial.gyp:device_serial',
         '../skia/skia.gyp:skia',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
+        'browser/api/api_registration.gyp:extensions_api_registration',
         'cast_channel_proto',
         'common/api/api.gyp:extensions_api',
         'extensions_common',
         'extensions_strings.gyp:extensions_strings',
       ],
       'include_dirs': [
         '..',
         '<(INTERMEDIATE_DIR)',
         # Needed to access generated API headers.
         '<(SHARED_INTERMEDIATE_DIR)',
@@ skipping 475 matching lines @@
       ]
     },
     {
       # GN version: //extensions:test_support
       'target_name': 'extensions_test_support',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../net/net.gyp:net_test_support',
         '../testing/gtest.gyp:gtest',
+        'browser/api/api_registration.gyp:extensions_api_registration',
         'common/api/api.gyp:extensions_api',
         'extensions_browser',
         'extensions_common',
         'extensions_resources.gyp:extensions_resources',
       ],
       'include_dirs': [
         '..',
         '<(SHARED_INTERMEDIATE_DIR)',
       ],
       'sources': [
@@ skipping 190 matching lines @@
           'browser/api/cast_channel/logging.proto'
       ],
       'variables': {
           'proto_in_dir': 'browser/api/cast_channel',
           'proto_out_dir': 'extensions/browser/api/cast_channel',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ]
 }