Refactors keyboard related code so mash can use a keyboard

ui/keyboard/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("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 import("//third_party/google_input_tools/closure.gni")
 import("//third_party/google_input_tools/inputview.gni")
 import("//tools/grit/grit_rule.gni")
 
 component("keyboard") {
   sources = [
     "keyboard_controller.cc",
     "keyboard_controller.h",
     "keyboard_controller_observer.h",
@@ skipping 104 matching lines @@
 
 build_closure("inputview") {
   sources = inputview_sources
   target = "$target_gen_dir/resources/inputview.js"
   json_file = "//third_party/google_input_tools/inputview.gypi"
   sources += [ json_file ]
   json_sources = "variables.inputview_sources"
   path = rebase_path("//third_party/google_input_tools")
 }
 
+mojom("mojom") {
+  sources = [
+    "keyboard.mojom",
+  ]
+  deps = [
+    "//ui/mojo/geometry:interfaces",
+  ]
+}
+
 test("keyboard_unittests") {
   sources = [
     "keyboard_controller_unittest.cc",
     "keyboard_util_unittest.cc",
     "test/run_all_unittests.cc",
   ]
 
   deps = [
     ":keyboard",
     "//base",
     "//base/test:test_support",
     "//skia",
     "//testing/gtest",
     "//ui/aura:test_support",
     "//ui/base",
     "//ui/base:test_support",
     "//ui/base/ime",
     "//ui/compositor:test_support",
     "//ui/events:test_support",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl:test_support",
     "//ui/wm",
   ]
 }