Add setVoiceSearchSupported to the searchbox API. This will be used to determine whether to show a …

chrome/browser/ui/search/instant_tab.cc

Index: chrome/browser/ui/search/instant_tab.cc
diff --git a/chrome/browser/ui/search/instant_tab.cc b/chrome/browser/ui/search/instant_tab.cc
index e1c5b2a9b27503a0793d441017454897b9fb1d48..538dfddd084bfd3bfe19682f18b878c2ea730676 100644
--- a/chrome/browser/ui/search/instant_tab.cc
+++ b/chrome/browser/ui/search/instant_tab.cc
@@ -26,6 +26,10 @@ bool InstantTab::ShouldProcessSetSuggestions() {
   return true;
 }
 
+bool InstantTab::ShouldProcessSetVoiceSearchSupported() {
+  return true;
+}
+
 bool InstantTab::ShouldProcessFocusOmnibox() {
   return true;
 }