Cleanup: Remove for_search param from search::InstantExtendedEnabledParam()

chrome/browser/search_engines/ui_thread_search_terms_data.cc

 // Copyright 2014 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_engines/ui_thread_search_terms_data.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "build/build_config.h"
@@ skipping 105 matching lines @@
 std::string UIThreadSearchTermsData::GetSuggestRequestIdentifier() const {
   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
       BrowserThread::CurrentlyOn(BrowserThread::UI));
 #if defined(OS_ANDROID)
   if (ui::GetDeviceFormFactor() == ui::DEVICE_FORM_FACTOR_PHONE)
     return "chrome-mobile-ext-ansg";
 #endif
   return "chrome-ext-ansg";
 }
 
-std::string UIThreadSearchTermsData::InstantExtendedEnabledParam(
-    bool for_search) const {
-  return search::InstantExtendedEnabledParam(for_search);
+std::string UIThreadSearchTermsData::InstantExtendedEnabledParam() const {
+  return search::InstantExtendedEnabledParam();
 }
 
 std::string UIThreadSearchTermsData::ForceInstantResultsParam(
     bool for_prerender) const {
   return search::ForceInstantResultsParam(for_prerender);
 }
 
 // It's acutally OK to call this method on any thread, but it's currently placed
 // in UIThreadSearchTermsData since SearchTermsData cannot depend on src/chrome
 // as it is shared with iOS.
 std::string UIThreadSearchTermsData::GoogleImageSearchSource() const {
   std::string version(version_info::GetProductName() + " " +
                       version_info::GetVersionNumber());
   if (version_info::IsOfficialBuild())
     version += " (Official)";
   version += " " + version_info::GetOSType();
   std::string modifier(chrome::GetChannelString());
   if (!modifier.empty())
     version += " " + modifier;
   return version;
 }
 
 // static
 void UIThreadSearchTermsData::SetGoogleBaseURL(const std::string& base_url) {
   delete google_base_url_;
   google_base_url_ = base_url.empty() ? NULL : new std::string(base_url);
 }