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 3ba593b6036809c393388bfd6f4a33f914682436..20fdae2f5cf58d3f3d0b8b4cce821f2c3ad40139 100644
--- a/content/public/android/BUILD.gn
+++ b/content/public/android/BUILD.gn
@@ -193,7 +193,9 @@ 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",
@@ -356,6 +358,7 @@ 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",