Fix Vietnamese characters to work correctly on contenteditable

content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java

Index: content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java b/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
index 35e4bf21b82abc45bbfe0ddcfb98f1fde5d12244..93a9e27796e83a78fdffea3caa6b4f0b691562c7 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/ThreadedInputConnection.java
@@ -115,11 +115,15 @@ public class ThreadedInputConnection extends BaseInputConnection
     }
 
     @Override
-    public void updateStateOnUiThread(final String text, final int selectionStart,
+    public void updateStateOnUiThread(String text, final int selectionStart,
             final int selectionEnd, final int compositionStart, final int compositionEnd,
             boolean singleLine, final boolean isNonImeChange) {
         ImeUtils.checkOnUiThread();
 
+        // crbug.com/663880: Non-breaking spaces can cause the IME to get confused. Replace with
+        // normal spaces.
+        text = text.replace('\u00A0', ' ');
+
         mCachedTextInputState =
                 new TextInputState(text, new Range(selectionStart, selectionEnd),
                         new Range(compositionStart, compositionEnd), singleLine, !isNonImeChange);