Add support for Android spellcheck menu in Chrome/WebViews

content/public/android/BUILD.gn

Index: content/public/android/BUILD.gn
diff --git a/content/public/android/BUILD.gn b/content/public/android/BUILD.gn
index b6eac88c8058aa184a9ca80dfebee825d3083637..af2372e18a5eaa86f7486e81979e413862e55a04 100644
--- a/content/public/android/BUILD.gn
+++ b/content/public/android/BUILD.gn
@@ -190,7 +190,9 @@ android_library("content_java") {
     "java/src/org/chromium/content/browser/input/SelectPopupDialog.java",
     "java/src/org/chromium/content/browser/input/SelectPopupDropdown.java",
     "java/src/org/chromium/content/browser/input/SelectPopupItem.java",
+    "java/src/org/chromium/content/browser/input/SuggestionsPopupWindow.java",
     "java/src/org/chromium/content/browser/input/TextInputState.java",
+    "java/src/org/chromium/content/browser/input/TextSuggestionHost.java",
     "java/src/org/chromium/content/browser/input/ThreadedInputConnection.java",
     "java/src/org/chromium/content/browser/input/ThreadedInputConnectionFactory.java",
     "java/src/org/chromium/content/browser/input/ThreadedInputConnectionProxyView.java",
@@ -355,6 +357,7 @@ generate_jni("content_jni_headers") {
     "java/src/org/chromium/content/browser/input/DateTimeChooserAndroid.java",
     "java/src/org/chromium/content/browser/input/HandleViewResources.java",
     "java/src/org/chromium/content/browser/input/ImeAdapter.java",
+    "java/src/org/chromium/content/browser/input/TextSuggestionHost.java",
     "java/src/org/chromium/content/browser/webcontents/WebContentsImpl.java",
     "java/src/org/chromium/content/browser/webcontents/WebContentsObserverProxy.java",
     "java/src/org/chromium/content_public/browser/LoadUrlParams.java",