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

chrome/renderer/searchbox/searchbox.h

Index: chrome/renderer/searchbox/searchbox.h
diff --git a/chrome/renderer/searchbox/searchbox.h b/chrome/renderer/searchbox/searchbox.h
index 0a45a051163f8c9995779097ae65609ec2434729..230782c93c8dee9cb89ef6cc1ff99f6c8646239c 100644
--- a/chrome/renderer/searchbox/searchbox.h
+++ b/chrome/renderer/searchbox/searchbox.h
@@ -32,6 +32,9 @@ class SearchBox : public content::RenderViewObserver,
   // Sends ChromeViewHostMsg_SetSuggestion to the browser.
   void SetSuggestions(const std::vector<InstantSuggestion>& suggestions);
 
+  // Sends ChromeViewHostMsg_SetVoiceSearchSupported to the browser.
+  void SetVoiceSearchSupported(bool supported);
+
   // Marks the current query text as restricted, to make sure that it does
   // not get communicated to the page.  The restricted status lasts until the
   // query is next changed or cleared.