Extensions: Move cast_channel and hid APIs to extensions/.

chrome/browser/extensions/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/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
@@ skipping 15 matching lines @@
   # Since browser and browser_extensions actually depend on each other,
   # we must omit the dependency from browser_extensions to browser.
   # However, this means browser_extensions and browser should more or less
   # have the same dependencies. Once browser_extensions is untangled from
   # browser, then we can clean up these dependencies.
   deps = [
     "//chrome:extra_resources",
     "//chrome:resources",
     "//chrome:strings",
     "//chrome/app/resources:platform_locale_settings",
-    "//chrome/browser/extensions/api/cast_channel:cast_channel_proto",
     "//chrome/app/theme:theme_resources",
     "//chrome/browser/history:in_memory_url_index_cache_proto",
     "//chrome/browser/sync_file_system:sync_file_system_proto",
     "//chrome/common",
     "//chrome/common/extensions/api",
     "//chrome/common/net",
     "//chrome/common/safe_browsing:proto",
     "//components/onc",
     "//components/strings",
     "//components/url_matcher",
@@ skipping 169 matching lines @@
           ".", "//chrome")
     }
 
     if (enable_app_list) {
       sources += rebase_path(
           gypi_values.chrome_browser_extensions_app_list_sources,
           ".", "//chrome")
     }
   }
 }