Move Shell connection to content

content/browser/DEPS

 include_rules = [
   # Allow inclusion of specific components that we depend on. We may only
   # depend on components which we share with the mojo html_viewer.
   "+components/mime_util",
+  "+components/mus/public/interfaces",
   "+components/scheduler/common",
   "+components/tracing",
   "+components/url_formatter",
 
   "+content/app/strings/grit",  # For generated headers
   "+content/public/browser",
   "+device/battery",  # For battery status service.
   "+device/vibration",  # For Vibration API
   "+gin/v8_initializer.h",
   "+media/audio",  # For audio input for speech input feature.
   "+media/base",  # For Android JNI registration.
   "+media/filters",  # For reporting GPU decoding UMA.
   "+media/midi",  # For Web MIDI API
   "+media/mojo",  # For mojo media services.
   "+media/capture/video",  # For Video Device monitoring in Mac.
   "+mojo",
   "+sql",
   "+ui/aura_extra",
+  "+ui/views/mus",  # http://crbug.com/555767
   "+ui/webui",
   "+win8/util",
 
   # In general, //content shouldn't depend on //device.
   # This is the an exception.
   "+device/udev_linux",  # For udev utility and wrapper library.
 
   # Explicitly disallow using SyncMessageFilter to prevent browser from
   # sending synchronous IPC messages on non-UI threads.
   "-ipc/ipc_sync_message_filter.h",
@@ skipping 53 matching lines @@
   "+third_party/WebKit/public/web/WebSerializedScriptValueVersion.h",
   "+third_party/WebKit/public/web/WebTextDirection.h",
   "+third_party/WebKit/public/web/WebTextInputType.h",
   "+third_party/WebKit/public/web/WebTreeScopeType.h",
   "+third_party/WebKit/public/web/mac/WebScrollbarTheme.h",
 
   # DO NOT ADD ANY CHROME OR COMPONENTS INCLUDES HERE!!!
   # See https://sites.google.com/a/chromium.org/dev/developers/content-module
   # for more information.
 ]