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

chrome/browser/ui/search/instant_controller.cc

Index: chrome/browser/ui/search/instant_controller.cc
diff --git a/chrome/browser/ui/search/instant_controller.cc b/chrome/browser/ui/search/instant_controller.cc
index d01af5d992390385c60bd3bfa0da63f82dd122ff..54e8fa8079a56de8eab920bcb7945eee6231137f 100644
--- a/chrome/browser/ui/search/instant_controller.cc
+++ b/chrome/browser/ui/search/instant_controller.cc
@@ -1419,6 +1419,13 @@ void InstantController::SetSuggestions(
     ShowOverlay(100, INSTANT_SIZE_PERCENT);
 }
 
+void InstantController::SetVoiceSearchSupported(
+    const content::WebContents* contents, bool supported) {
+  if (!extended_enabled())
+    return;
+  // TODO(pkasting): Implement this function.
+}
+
 void InstantController::ShowInstantOverlay(const content::WebContents* contents,
                                            int height,
                                            InstantSizeUnits units) {