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

chrome/renderer/searchbox/searchbox.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/renderer/searchbox/searchbox.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 220 matching lines @@
 SearchBox::SearchBox(content::RenderView* render_view)
     : content::RenderViewObserver(render_view),
       content::RenderViewObserverTracker<SearchBox>(render_view),
     page_seq_no_(0),
     app_launcher_enabled_(false),
     is_focused_(false),
     is_input_in_progress_(false),
     is_key_capture_enabled_(false),
     display_instant_results_(false),
     most_visited_items_cache_(kMaxInstantMostVisitedItemCacheSize),
-    query_(),
-    start_margin_(0) {
+    query_() {
 }
 
 SearchBox::~SearchBox() {
 }
 
 void SearchBox::LogEvent(NTPLoggingEventType event) {
   // The main frame for the current RenderView may be out-of-process, in which
   // case it won't have performance().  Use the default delta of 0 in this
   // case.
   base::TimeDelta delta;
@@ skipping 113 matching lines @@
   IPC_BEGIN_MESSAGE_MAP(SearchBox, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetPageSequenceNumber,
                         OnSetPageSequenceNumber)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_ChromeIdentityCheckResult,
                         OnChromeIdentityCheckResult)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_DetermineIfPageSupportsInstant,
                         OnDetermineIfPageSupportsInstant)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_HistorySyncCheckResult,
                         OnHistorySyncCheckResult)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxFocusChanged, OnFocusChanged)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxMarginChange, OnMarginChange)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxMostVisitedItemsChanged,
                         OnMostVisitedChanged)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxPromoInformation,
                         OnPromoInformationReceived)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxSetDisplayInstantResults,
                         OnSetDisplayInstantResults)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxSetInputInProgress,
                         OnSetInputInProgress)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SearchBoxSetSuggestionToPrefetch,
                         OnSetSuggestionToPrefetch)
@@ skipping 60 matching lines @@
   }
 }
 
 void SearchBox::OnHistorySyncCheckResult(bool sync_history) {
   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
     extensions_v8::SearchBoxExtension::DispatchHistorySyncCheckResult(
         render_view()->GetWebView()->mainFrame(), sync_history);
   }
 }
 
-void SearchBox::OnMarginChange(int margin) {
-  start_margin_ = margin;
-  if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
-    extensions_v8::SearchBoxExtension::DispatchMarginChange(
-        render_view()->GetWebView()->mainFrame());
-  }
-}
-
 void SearchBox::OnMostVisitedChanged(
     const std::vector<InstantMostVisitedItem>& items) {
   std::vector<InstantMostVisitedItemIDPair> last_known_items;
   GetMostVisitedItems(&last_known_items);
 
   if (AreMostVisitedItemsEqual(last_known_items, items))
     return;  // Do not send duplicate onmostvisitedchange events.
 
   most_visited_items_cache_.AddItems(items);
   if (render_view()->GetWebView() && render_view()->GetWebView()->mainFrame()) {
@@ skipping 63 matching lines @@
 
 GURL SearchBox::GetURLForMostVisitedItem(InstantRestrictedID item_id) const {
   InstantMostVisitedItem item;
   return GetMostVisitedItemWithID(item_id, &item) ? item.url : GURL();
 }
 
 void SearchBox::Reset() {
   query_.clear();
   embedded_search_request_params_ = EmbeddedSearchRequestParams();
   suggestion_ = InstantSuggestion();
-  start_margin_ = 0;
   is_focused_ = false;
   is_key_capture_enabled_ = false;
   theme_info_ = ThemeBackgroundInfo();
 }