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

third_party/WebKit/Source/modules/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/split_static_library.gni")
 import("//build/config/chromecast_build.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/v8.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 50 matching lines @@
 
   if (is_chromecast) {
     defines += [
       "BLINK_MSLOG=VLOG(2)",
       "BLINK_SBLOG=VLOG(2)",
     ]
   }
 
   deps = [
     ":make_modules_generated",
-    "//components/webmessaging/public/interfaces:interfaces_blink",
     "//device/battery:mojo_bindings_blink",
     "//device/nfc:mojo_bindings_blink",
     "//device/usb/public/interfaces:interfaces_blink",
     "//device/vibration:mojo_bindings_blink",
     "//device/vr:mojo_bindings_blink",
     "//media/mojo/interfaces:image_capture_blink",
     "//third_party/WebKit/Source/core",
     "//third_party/WebKit/public:mojo_bindings_blink",
     "//third_party/icu",
     "//third_party/sqlite",
@@ skipping 48 matching lines @@
 }
 
 # GYP version: WebKit/Source/modules/modules_generated.gyp:make_modules_generated
 group("make_modules_generated") {
   public_deps = [
     ":module_names",
     "//third_party/WebKit/Source/bindings/modules:bindings_modules_generated",
     "//third_party/WebKit/Source/core:core_event_interfaces",
   ]
 }