Use Instant suggested match type for Instant temporary text.

chrome/test/data/instant_extended.html

Index: chrome/test/data/instant_extended.html
diff --git a/chrome/test/data/instant_extended.html b/chrome/test/data/instant_extended.html
index fb38c3e3c540512a61927db77dd39be07f72cd8c..58df59cc94139693716daa1da23d19d30579c461 100644
--- a/chrome/test/data/instant_extended.html
+++ b/chrome/test/data/instant_extended.html
@@ -8,7 +8,8 @@ var savedUserText = null;
 var suggestionIndex = -1;
 var suggestions = ["result 1", "result 2", "result 3"];
 var suggestion;
-var behavior = 2;
+var suggestionType = 0;  // INSTANT_SUGGESTION_SEARCH
+var behavior = 2;  // INSTANT_COMPLETE_NEVER
 var onMostVisitedChangedCalls = 0;
 var mostVisitedItemsCount = 0;
 var firstMostVisitedItemId = 0;
@@ -57,7 +58,7 @@ function handleOnChange() {
 function nextSuggestion() {
   if (suggestionIndex < suggestions.length - 1) {
     suggestionIndex++;
-    apiHandle.setValue(suggestions[suggestionIndex]);
+    apiHandle.setValue(suggestions[suggestionIndex], suggestionType);
   }
 }
 
@@ -65,9 +66,9 @@ function previousSuggestion() {
   if (suggestionIndex != -1) {
     suggestionIndex--;
     if (suggestionIndex == -1) {
-      apiHandle.setValue(savedUserText);
+      apiHandle.setValue(savedUserText, suggestionType);
     } else {
-      apiHandle.setValue(suggestions[suggestionIndex]);
+      apiHandle.setValue(suggestions[suggestionIndex], suggestionType);
     }
   }
 }