Add chrome-search: access from Instant overlay

chrome/browser/instant/instant_controller.cc

Index: chrome/browser/instant/instant_controller.cc
diff --git a/chrome/browser/instant/instant_controller.cc b/chrome/browser/instant/instant_controller.cc
index 9725d5e7648afeffbb90f68c9f51a95387b681d7..03b2247c6a663c85389ebfdacee2563a425c03ad 100644
--- a/chrome/browser/instant/instant_controller.cc
+++ b/chrome/browser/instant/instant_controller.cc
@@ -898,10 +898,12 @@ void InstantController::InstantPageRenderViewCreated(
         omnibox_focus_state_ == OMNIBOX_FOCUS_INVISIBLE);
     overlay_->SetMarginSize(start_margin_, end_margin_);
     overlay_->InitializeFonts();
+    overlay_->GrantAccessFromOrigin(GURL(overlay_->instant_url()));
   } else if (IsContentsFrom(ntp(), contents)) {
     ntp_->SetDisplayInstantResults(instant_enabled_);
     ntp_->SetMarginSize(start_margin_, end_margin_);
     ntp_->InitializeFonts();
+    ntp_->GrantAccessFromOrigin(GURL(ntp_->instant_url()));
   } else {
     NOTREACHED();
   }
@@ -1232,6 +1234,7 @@ void InstantController::ResetInstantTab() {
       instant_tab_->SetDisplayInstantResults(instant_enabled_);
       instant_tab_->SetMarginSize(start_margin_, end_margin_);
       instant_tab_->InitializeFonts();
+      instant_tab_->GrantAccessFromOrigin(active_tab->GetURL());
       StartListeningToMostVisitedChanges();
       instant_tab_->KeyCaptureChanged(
           omnibox_focus_state_ == OMNIBOX_FOCUS_INVISIBLE);