Revert of Refactor Select-to-speak so that mouse events are forwarded to the extension.

chrome/browser/chromeos/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/features.gni")
 import("//build/config/ui.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//printing/features/features.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 107 matching lines @@
     "//ui/app_list/presenter:mojom",
     "//ui/arc",
     "//ui/aura",
     "//ui/base",
     "//ui/chromeos",
     "//ui/chromeos/events",
     "//ui/compositor",
     "//ui/display",
     "//ui/display/manager",
     "//ui/events:dom_keycode_converter",
-    "//ui/events/blink",
     "//ui/events/devices",
     "//ui/events/platform",
     "//ui/file_manager",
     "//ui/keyboard:mojom",
     "//ui/message_center",
     "//ui/surface",
     "//ui/views",
     "//ui/views/controls/webview",
     "//ui/web_dialogs",
     "//url",
@@ skipping 1708 matching lines @@
     "policy/proto/chrome_device_policy.proto",
     "policy/proto/install_attributes.proto",
   ]
 }
 
 proto_library("attestation_proto") {
   sources = [
     "attestation/attestation_key_payload.proto",
   ]
 }