Add support for Android spellcheck menu in Chrome/WebViews

content/public/android/java/strings/android_content_strings.grd

Index: content/public/android/java/strings/android_content_strings.grd
diff --git a/content/public/android/java/strings/android_content_strings.grd b/content/public/android/java/strings/android_content_strings.grd
index 8d61fc85cbe15997cb058799cc304bffa00736fd..a56b26a1207a030071b907698a4e07a882a99f96 100644
--- a/content/public/android/java/strings/android_content_strings.grd
+++ b/content/public/android/java/strings/android_content_strings.grd
@@ -102,6 +102,12 @@
       <message name="IDS_ACTIONBAR_TEXTSELECTION_TITLE" desc="Title of the text selection contextual action bar on tablets. [CHAR-LIMIT=30]">
         Text selection
       </message>
+      <message name="IDS_ADD_TO_DICTIONARY" desc="Button that adds the currently highlighted word to the spellcheck dictionary">
+        Add to dictionary
+      </message>
+      <message name="IDS_DELETE_TEXT" desc="Button that deletes the currently highlighted text">

[aelias_OOO_until_Jul13, 2017/06/20 02:55:04]

More context is always useful for translators: "IDS_DELETE_SUGGESTION_TEXT"
"Button that deletes the currently highlighted word(s) from a spellcheck or
voice correction menu"

+        Delete
+      </message>
       <message name="IDS_MEDIA_PLAYER_ERROR_TITLE" desc="Title of dialog explaining that a video cannot be played due to an error [CHAR-LIMIT=32]">
         Cannot play video
       </message>