about:omnibox - add "in keyword mode" checkbox

chrome/browser/resources/omnibox/omnibox.js

Index: chrome/browser/resources/omnibox/omnibox.js
diff --git a/chrome/browser/resources/omnibox/omnibox.js b/chrome/browser/resources/omnibox/omnibox.js
index 5313a41374aa1a805df2613e8c6a49054b4133e6..fb0137cdc81d6adf4e80c07a3852b9d7d1ca74b6 100644
--- a/chrome/browser/resources/omnibox/omnibox.js
+++ b/chrome/browser/resources/omnibox/omnibox.js
@@ -27,6 +27,7 @@ cr.define('omniboxDebug', function() {
         'submit', startOmniboxQuery, false);
     $('prevent-inline-autocomplete').addEventListener(
         'change', startOmniboxQuery);
+    $('prefer-keyword').addEventListener('change', startOmniboxQuery);
     $('show-details').addEventListener('change', refresh);
     $('show-incomplete-results').addEventListener('change', refresh);
     $('show-all-providers').addEventListener('change', refresh);
@@ -56,15 +57,17 @@ cr.define('omniboxDebug', function() {
   function startOmniboxQuery(event) {
     // First, clear the results of past calls (if any).
     progressiveAutocompleteResults = [];
-    // Then, call chrome with a three-element list:
+    // Then, call chrome with a four-element list:
     // - first element: the value in the text box
-    // - second element: the value of prevent-inline-autocomplete
-    // - third element: the location of the cursor in the text box
+    // - second element: the location of the cursor in the text box
+    // - third element: the value of prevent-inline-autocomplete
+    // - forth element: the value of prefer-keyword
     cursorPositionUsed = $('input-text').selectionEnd;
     chrome.send('startOmniboxQuery', [
         $('input-text').value,
+        cursorPositionUsed,
         $('prevent-inline-autocomplete').checked,
-        cursorPositionUsed]);
+        $('prefer-keyword').checked]);
     // Cancel the submit action.  i.e., don't submit the form.  (We handle
     // display the results solely with Javascript.)
     event.preventDefault();