Make EnabledVisibleSelection return false for user-triggered command and unfocused selection

third_party/WebKit/LayoutTests/editing/execCommand/script-tests/enabling-and-selection-2.js

 description("This tests enabling of non-execCommand commands based on whether the selection is a caret or range or in editable content.");
 
 var nonEditableParagraph = document.createElement("p");
 nonEditableParagraph.appendChild(document.createTextNode("x"));
 document.body.appendChild(nonEditableParagraph);
 
 var editableParagraph = document.createElement("p");
 editableParagraph.appendChild(document.createTextNode("x"));
 editableParagraph.setAttribute("contentEditable", "true");
 document.body.appendChild(editableParagraph);
 
 var editablePlainTextParagraph = document.createElement("p");
 editablePlainTextParagraph.appendChild(document.createTextNode("x"));
 editablePlainTextParagraph.setAttribute("contentEditable", "plaintext-only");
 document.body.appendChild(editablePlainTextParagraph);
 
 function enabled(command, element, selectionStart, selectionEnd)
 {
     var selection = document.getSelection();
     selection.removeAllRanges();
+    if (document.activeElement)
+        document.activeElement.blur();
     if (element) {
         var range = document.createRange();
         range.setStart(element.firstChild, selectionStart);
         range.setEnd(element.firstChild, selectionEnd);
         selection.addRange(range);
     }
     var result = testRunner.isCommandEnabled(command);
     selection.removeAllRanges();
     return result;
 }
@@ skipping 135 matching lines @@
 shouldBe("whenEnabled('SelectWord')", "'visible'");
 shouldBe("whenEnabled('SetMark')", "'visible'");
 
 shouldBe("whenEnabled('OverWrite')", "'richly editable'");
 
 document.body.removeChild(nonEditableParagraph);
 document.body.removeChild(editableParagraph);
 document.body.removeChild(editablePlainTextParagraph);
 
 var successfullyParsed = true;