Remove setVoiceSearchSupported part of EmbeddedSearch SearchBox API.

chrome/renderer/searchbox/searchbox.cc

Index: chrome/renderer/searchbox/searchbox.cc
diff --git a/chrome/renderer/searchbox/searchbox.cc b/chrome/renderer/searchbox/searchbox.cc
index 8d84d8ccfa723934f1a33ef1244c0796cf933644..9c9cd54dc231636634e0826dbcf5f22a21af372c 100644
--- a/chrome/renderer/searchbox/searchbox.cc
+++ b/chrome/renderer/searchbox/searchbox.cc
@@ -338,11 +338,6 @@ void SearchBox::Paste(const base::string16& text) {
       render_view()->GetRoutingID(), page_seq_no_, text));
 }
 
-void SearchBox::SetVoiceSearchSupported(bool supported) {
-  render_view()->Send(new ChromeViewHostMsg_SetVoiceSearchSupported(
-      render_view()->GetRoutingID(), page_seq_no_, supported));
-}
-
 void SearchBox::StartCapturingKeyStrokes() {
   render_view()->Send(new ChromeViewHostMsg_FocusOmnibox(
       render_view()->GetRoutingID(), page_seq_no_, OMNIBOX_FOCUS_INVISIBLE));