Remove a variety of no-longer-used query params.

chrome/browser/search/instant_service.cc

 // Copyright 2013 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/instant_service.h"
 
 #include <stddef.h>
 
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
@@ skipping 55 matching lines @@
   return base::StartsWith(
       base::FieldTrialList::FindFullName(kLocalNTPSuggestionService),
       kLocalNTPSuggestionServiceEnabled, base::CompareCase::INSENSITIVE_ASCII);
 }
 
 }  // namespace
 
 InstantService::InstantService(Profile* profile)
     : profile_(profile),
       template_url_service_(TemplateURLServiceFactory::GetForProfile(profile_)),
-      omnibox_start_margin_(search::kDisableStartMargin),
       suggestions_service_(NULL),
       weak_ptr_factory_(this) {
   // The initialization below depends on a typical set of browser threads. Skip
   // it if we are running in a unit test without the full suite.
   if (!content::BrowserThread::CurrentlyOn(content::BrowserThread::UI))
     return;
 
   // This depends on the existence of the typical browser threads. Therefore it
   // is only instantiated here (after the check for a UI thread above).
   instant_io_context_ = new InstantIOContext();
@@ skipping 203 matching lines @@
     default:
       NOTREACHED() << "Unexpected notification type in InstantService.";
   }
 }
 
 void InstantService::SendSearchURLsToRenderer(content::RenderProcessHost* rph) {
   rph->Send(new ChromeViewMsg_SetSearchURLs(
       search::GetSearchURLs(profile_), search::GetNewTabPageURL(profile_)));
 }
 
-void InstantService::OnOmniboxStartMarginChanged(int start_margin) {
-  omnibox_start_margin_ = start_margin;
-  FOR_EACH_OBSERVER(InstantServiceObserver, observers_,
-                    OmniboxStartMarginChanged(omnibox_start_margin_));
-}
-
 void InstantService::OnRendererProcessTerminated(int process_id) {
   process_ids_.erase(process_id);
 
   if (instant_io_context_.get()) {
     content::BrowserThread::PostTask(
         content::BrowserThread::IO, FROM_HERE,
         base::Bind(&InstantIOContext::RemoveInstantProcessOnIO,
                    instant_io_context_, process_id));
   }
 }
@@ skipping 222 matching lines @@
 }
 
 void InstantService::ResetInstantSearchPrerenderer() {
   if (!search::ShouldPrefetchSearchResults())
     return;
 
   GURL url(search::GetSearchResultPrefetchBaseURL(profile_));
   instant_prerenderer_.reset(
       url.is_valid() ? new InstantSearchPrerenderer(profile_, url) : NULL);
 }