Move BroadcastChannel browser code from components/ to content/browser.

third_party/WebKit/Source/modules/modules.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
     '../build/features.gypi',
     '../build/scripts/scripts.gypi',
     '../build/win/precompile.gypi',
     '../bindings/modules/modules.gypi',  # modules can depend on bindings/modules, but not on bindings
     'modules.gypi',
   ],
   'targets': [{
     # GN version: //third_party/WebKit/Source/modules:modules
     'target_name': 'modules',
     'dependencies': [
-      '<(DEPTH)/components/components.gyp:webmessaging_mojo_bindings_for_blink',
       '<(DEPTH)/device/battery/battery.gyp:device_battery_mojo_bindings_for_blink',
       '<(DEPTH)/device/nfc/nfc.gyp:device_nfc_mojo_bindings_for_blink',
       '<(DEPTH)/device/usb/usb.gyp:device_usb_mojo_bindings_for_blink',
       '<(DEPTH)/device/vibration/vibration.gyp:device_vibration_mojo_bindings_for_blink',
       '<(DEPTH)/device/vr/vr.gyp:device_vr_mojo_bindings_for_blink',
       '<(DEPTH)/media/mojo/interfaces/mojo_bindings.gyp:image_capture_mojo_bindings_for_blink',
       '<(DEPTH)/mojo/mojo_edk.gyp:mojo_system_impl',
       '<(DEPTH)/mojo/mojo_public.gyp:mojo_cpp_bindings',
       '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
       '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
@@ skipping 73 matching lines @@
           '<(DEPTH)/gin/gin.gyp:gin',
         ],
       }, {
         'dependencies': [
           '../core/core.gyp:webcore',
         ],
       }],
     ],
   }],
 }