[Android] Add spellchecking support in android_webview.

android_webview/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("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/config/locales.gni")
 import("//tools/grit/repack.gni")
 import("system_webview_apk_tmpl.gni")
 import("webview_repack_locales.gni")
@@ skipping 612 matching lines @@
     "//v8",
   ]
 
   if (enable_configuration_policy) {
     deps += [
       "//components/policy",
       "//components/policy:policy_component",
     ]
   }
 
+  if (enable_spellcheck) {
+    deps += [
+      "//components/spellcheck/browser",
+      "//components/spellcheck/renderer",
+    ]
+  }
+
   configs += [ "//v8:external_startup_data" ]
 }
 
 android_library("android_webview_java") {
   java_files = [
     "java/src/org/chromium/android_webview/AndroidProtocolHandler.java",
     "java/src/org/chromium/android_webview/AwAutofillClient.java",
     "java/src/org/chromium/android_webview/AwBrowserContext.java",
     "java/src/org/chromium/android_webview/AwBrowserProcess.java",
     "java/src/org/chromium/android_webview/AwContentViewClient.java",
@@ skipping 69 matching lines @@
     "//device/geolocation:geolocation_java",
     "//net/android:net_java",
     "//third_party/android_tools:android_support_annotations_java",
     "//ui/android:ui_java",
   ]
 
   if (enable_configuration_policy) {
     deps += [ "//components/policy/android:policy_java" ]
   }
 
+  if (enable_spellcheck) {
+    deps += [ "//components/spellcheck/browser/android:java" ]
+  }
+
   srcjar_deps = [ "//android_webview/native:aw_permission_request_resource" ]
 }
 
 java_strings_grd("strings_grd") {
   grd_file = "java/strings/android_webview_strings.grd"
   outputs = [
     "values-am/android_webview_strings.xml",
     "values-ar/android_webview_strings.xml",
     "values-bg/android_webview_strings.xml",
     "values-ca/android_webview_strings.xml",
@@ skipping 45 matching lines @@
     android_manifest = get_target_outputs(":system_webview_manifest")
     android_manifest = android_manifest[1]
     android_manifest_dep = ":system_webview_manifest"
     deps = [
       ":system_webview_resources",
       "//android_webview/glue",
     ]
     apk_name = "SystemWebView"
   }
 }