Add/remove spell checking markers in text inputs depending on focus.

LayoutTests/editing/spelling/spellcheck-async-mutation.html

Index: LayoutTests/editing/spelling/spellcheck-async-mutation.html
diff --git a/LayoutTests/editing/spelling/spellcheck-async-mutation.html b/LayoutTests/editing/spelling/spellcheck-async-mutation.html
index 6f2c0d88fa25780c1cdac78e908043f7b2f05e7a..b417848f22a0ac5d0f878832a98dc3e55438f1af 100644
--- a/LayoutTests/editing/spelling/spellcheck-async-mutation.html
+++ b/LayoutTests/editing/spelling/spellcheck-async-mutation.html
@@ -211,7 +211,9 @@ function verifyExistenceOfMarkers(elem, tweakKind) {
     case 'delete':
         return true;
     case 'move':
-        // In move, marker should be there.
+        // In move, marker should be there unless it's input which is moved.

[please use gerrit instead, 2013/07/30 21:32:00]

This sentence is not clear. Please explain in more details. Perhaps give an
example.

+        if (elem instanceof HTMLInputElement && elem !=document.activeElement)

[please use gerrit instead, 2013/07/30 21:32:00]

Please add a space after !=.

+            return true;
         var markerNum = internals.markerCountForNode(findFirstTextNode(elem), "spelling");
         if (markerNum != 3)
             return false;