Send ChromeViewMsg_SearchBoxSetSuggestionToPrefetch IPC message from SearchIPCRouter.

chrome/browser/ui/search/search_tab_helper.cc

Index: chrome/browser/ui/search/search_tab_helper.cc
diff --git a/chrome/browser/ui/search/search_tab_helper.cc b/chrome/browser/ui/search/search_tab_helper.cc
index 7c36aa84667bddd26649f94d37cf4f1a95258ca2..ed0f038953a45c5d0a5e80511664495b8547a834 100644
--- a/chrome/browser/ui/search/search_tab_helper.cc
+++ b/chrome/browser/ui/search/search_tab_helper.cc
@@ -183,6 +183,11 @@ bool SearchTabHelper::SupportsInstant() const {
   return model_.instant_support() == INSTANT_SUPPORT_YES;
 }
 
+void SearchTabHelper::SetSuggestionToPrefetch(
+    const InstantSuggestion& suggestion) {
+  ipc_router_.SetSuggestionToPrefetch(suggestion);
+}
+
 void SearchTabHelper::Observe(
     int type,
     const content::NotificationSource& source,