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

chrome/browser/ui/search/search_tab_helper.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/ui/search/search_tab_helper.h"
 
 #include <set>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
@@ skipping 320 matching lines @@
 
 void SearchTabHelper::NavigationEntryCommitted(
     const content::LoadCommittedDetails& load_details) {
   if (!is_search_enabled_)
     return;
 
   if (!load_details.is_main_frame)
     return;
 
   if (search::ShouldAssignURLToInstantRenderer(web_contents_->GetURL(),
-                                               profile())) {
-    InstantService* instant_service =
-        InstantServiceFactory::GetForProfile(profile());
-    ipc_router_.SetOmniboxStartMargin(instant_service->omnibox_start_margin());
+                                               profile()))
     ipc_router_.SetDisplayInstantResults();
-  }
 
   UpdateMode(true, false);
 
   content::NavigationEntry* entry =
       web_contents_->GetController().GetVisibleEntry();
   DCHECK(entry);
 
   // Already determined the instant support state for this page, do not reset
   // the instant support state.
   if (load_details.is_in_page) {
@@ skipping 44 matching lines @@
       event = NTP_CLIENT_SIDE_SUGGESTION;
     }
     // The metrics are emitted for each suggestion as the design requirement
     // even the ntp_user_data_logger.cc now only supports the scenario:
     // all suggestions are provided by server OR
     // all suggestions are provided by client.
     this->OnLogEvent(event, base::TimeDelta());
   }
 }
 
-void SearchTabHelper::OmniboxStartMarginChanged(int omnibox_start_margin) {
-  ipc_router_.SetOmniboxStartMargin(omnibox_start_margin);
-}
-
 void SearchTabHelper::FocusOmnibox(OmniboxFocusState state) {
 // TODO(kmadhusu): Move platform specific code from here and get rid of #ifdef.
 #if !defined(OS_ANDROID)
   OmniboxView* omnibox = GetOmniboxView();
   if (!omnibox)
     return;
 
   // Do not add a default case in the switch block for the following reasons:
   // (1) Explicitly handle the new states. If new states are added in the
   // OmniboxFocusState, the compiler will warn the developer to handle the new
@@ skipping 171 matching lines @@
 
 bool SearchTabHelper::IsInputInProgress() const {
   OmniboxView* omnibox = GetOmniboxView();
   return !model_.mode().is_ntp() && omnibox &&
       omnibox->model()->focus_state() == OMNIBOX_FOCUS_VISIBLE;
 }
 
 OmniboxView* SearchTabHelper::GetOmniboxView() const {
   return delegate_ ? delegate_->GetOmniboxView() : NULL;
 }