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

chrome/browser/search/instant_service.h

Index: chrome/browser/search/instant_service.h
diff --git a/chrome/browser/search/instant_service.h b/chrome/browser/search/instant_service.h
index 96abba728917f116fa9e310d3aef752ce4264ec5..e7118988619044ec7718d7c6770f264781de27b9 100644
--- a/chrome/browser/search/instant_service.h
+++ b/chrome/browser/search/instant_service.h
@@ -87,16 +87,10 @@ class InstantService : public KeyedService,
   // Sends the current set of search URLs to a renderer process.
   void SendSearchURLsToRenderer(content::RenderProcessHost* rph);
 
-  // Invoked to notify the Instant page that the omnibox start margin has
-  // changed.
-  void OnOmniboxStartMarginChanged(int start_margin);
-
   InstantSearchPrerenderer* instant_search_prerenderer() {
     return instant_prerenderer_.get();
   }
 
-  int omnibox_start_margin() const { return omnibox_start_margin_; }
-
  private:
   friend class InstantExtendedTest;
   friend class InstantServiceTest;
@@ -169,10 +163,6 @@ class InstantService : public KeyedService,
   // Theme-related data for NTP overlay to adopt themes.
   scoped_ptr<ThemeBackgroundInfo> theme_info_;
 
-  // The start-edge margin of the omnibox, used by the Instant page to align
-  // text or assets properly with the omnibox.
-  int omnibox_start_margin_;
-
   base::ObserverList<InstantServiceObserver> observers_;
 
   content::NotificationRegistrar registrar_;