Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

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 da831f552850bb19576ace0104b2843676ddac4c..5dde81b7a5d365a67188a4bae4c71be414d7c610 100644
--- a/chrome/test/data/instant_extended.html
+++ b/chrome/test/data/instant_extended.html
@@ -18,7 +18,6 @@ var onChangeCalls = 0;
 var submitCount = 0;
 var onEscKeyPressedCalls = 0;
 var onFocusChangedCalls = 0;
-var onToggleVoiceSearchCalls = 0;
 var prefetchQuery = '';
 var isFocused = false;
 var onvisibilitycalls = 0;
@@ -115,10 +114,6 @@ function handleFocusChange() {
   isFocused = apiHandle.isFocused;
 }
 
-function handleToggleVoiceSearch() {
-  onToggleVoiceSearchCalls++;
-}
-
 function handleSuggestionChange() {
   prefetchQuery = getApiHandle().suggestion.text;
 }
@@ -138,7 +133,6 @@ function setUp() {
   apiHandle.onchange = handleOnChange;
   apiHandle.onkeypress = handleKeyPress;
   apiHandle.onfocuschange = handleFocusChange;
-  apiHandle.ontogglevoicesearch = handleToggleVoiceSearch;
   apiHandle.onsuggestionchange = handleSuggestionChange;
   newTabPageHandle.onmostvisitedchange = handleMostVisitedChange;
   newTabPageHandle.onthemechange = handleThemeChange;