Add spellcheck and word suggestion to the prediction service

services/prediction/BUILD.gn

 # Copyright 2015 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/mojo_application.gni")
+import("//mojo/tools/embed/rules.gni")
 
 mojo_native_application("prediction") {
   output_name = "prediction_service"
 
   sources = [
+    "dictionary_service.cc",
+    "dictionary_service.h",
+    "input_info.cc",
+    "input_info.h",
+    "key_set.h",
     "prediction_service_impl.cc",
     "prediction_service_impl.h",
+    "proximity_info_factory.cc",
+    "proximity_info_factory.h",
+    "touch_position_correction.cc",
+    "touch_position_correction.h",
   ]
 
   deps = [
+    ":dict_file",
+    "//base",
     "//mojo/application",
     "//mojo/services/prediction/public/interfaces",
+    "//third_party/android_prediction:suggest",
   ]
 }
 
 mojo_native_application("apptests") {
   output_name = "prediction_apptests"
 
   testonly = true
 
   sources = [
     "prediction_apptests.cc",
   ]
 
   deps = [
     "//base",
     "//mojo/application",
     "//mojo/application:test_support",
     "//mojo/services/prediction/public/interfaces",
   ]
 
   data_deps = [ ":prediction($default_toolchain)" ]
 }
+
+embed_file("dict_file") {
+  source = "res/main_en.dict"
+  namespace = "prediction"
+  variable = "kDictFile"
+}