InstantExtended: Remove overlay control code.

chrome/browser/search/search.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/search/search.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
@@ skipping 546 matching lines @@
   // Require a minimum 5 minute timeout.
   if (timeout_sec < 0 || (timeout_sec > 0 && timeout_sec < 300))
     timeout_sec = kStalePageTimeoutDefault;
 
   // Randomize by upto 15% either side.
   timeout_sec = base::RandInt(timeout_sec * 0.85, timeout_sec * 1.15);
 
   return timeout_sec;
 }
 
-bool IsInstantOverlay(const content::WebContents* contents) {
-  for (chrome::BrowserIterator it; !it.done(); it.Next()) {
-    if (it->instant_controller() &&
-        it->instant_controller()->instant()->GetOverlayContents() == contents) {
-      return true;
-    }
-  }
-  return false;
-}
-
 bool IsPreloadedInstantExtendedNTP(const content::WebContents* contents) {
   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
     if (it->instant_controller() &&
         it->instant_controller()->instant()->GetNTPContents() == contents) {
       return true;
     }
   }
   return false;
 }
 
@@ skipping 88 matching lines @@
   return instant_url.is_valid() &&
          (!IsInstantExtendedAPIEnabled() ||
           template_url->HasSearchTermsReplacementKey(instant_url));
 }
 
 void ResetInstantExtendedOptInStateGateForTest() {
   instant_extended_opt_in_state_gate = false;
 }
 
 }  // namespace chrome