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

chrome/browser/ui/search/search_ipc_router.h

Index: chrome/browser/ui/search/search_ipc_router.h
diff --git a/chrome/browser/ui/search/search_ipc_router.h b/chrome/browser/ui/search/search_ipc_router.h
index bc7636a9d84d1aafb42b9fdfbba5612739bbcedd..9564050262d577e13afbe4b5a7302c554e8cb35c 100644
--- a/chrome/browser/ui/search/search_ipc_router.h
+++ b/chrome/browser/ui/search/search_ipc_router.h
@@ -110,7 +110,6 @@ class SearchIPCRouter : public content::WebContentsObserver {
     virtual bool ShouldSendSetPromoInformation() = 0;
     virtual bool ShouldSendSetDisplayInstantResults() = 0;
     virtual bool ShouldSendSetSuggestionToPrefetch() = 0;
-    virtual bool ShouldSendSetOmniboxStartMargin() = 0;
     virtual bool ShouldSendSetInputInProgress(bool is_active_tab) = 0;
     virtual bool ShouldSendOmniboxFocusChanged() = 0;
     virtual bool ShouldSendMostVisitedItems() = 0;
@@ -146,10 +145,6 @@ class SearchIPCRouter : public content::WebContentsObserver {
   // Tells the page the suggestion to be prefetched if any.
   void SetSuggestionToPrefetch(const InstantSuggestion& suggestion);
 
-  // Tells the page the left margin of the omnibox. This is used by the page to
-  // align text or assets properly with the omnibox.
-  void SetOmniboxStartMargin(int start_margin);
-
   // Tells the page that user input started or stopped.
   void SetInputInProgress(bool input_in_progress);