Support spellcheck attribute in WebTextView

    Bug: 5267547

    set no suggestions for WebTextView when spellcheck attribute is
    false
    depends on CL: https://android-git.corp.google.com/g/#/c/141326/2

Change-Id: I4ad476270607e9d600567bbb4d9fd321893707b1

Author: Michael Kolb

core/java/android/webkit/WebTextView.java

@@ -1002,6 +1002,9 @@ private void setMaxLength(int maxLength) {
                 | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT;
         int imeOptions = EditorInfo.IME_FLAG_NO_EXTRACT_UI
                 | EditorInfo.IME_FLAG_NO_FULLSCREEN;
+        if (!mWebView.nativeFocusCandidateIsSpellcheck()) {
+            inputType |= InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
+        }
         if (TEXT_AREA != type
                 && mWebView.nativeFocusCandidateHasNextTextfield()) {
             imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT;

core/java/android/webkit/WebView.java

@@ -9459,6 +9459,7 @@ private native int      nativeFindAll(String findLower, String findUpper,
     private native boolean  nativeFocusCandidateIsTextInput();
     /* package */ native int      nativeFocusCandidateMaxLength();
     /* package */ native boolean  nativeFocusCandidateIsAutoComplete();
+    /* package */ native boolean  nativeFocusCandidateIsSpellcheck();
     /* package */ native String   nativeFocusCandidateName();
     private native Rect     nativeFocusCandidateNodeBounds();
     /**