Remove unused instant support for chrome://large-icon and chrome://fallback-icon

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 <stddef.h>
 #include <stdint.h>
 
 #include <string>
@@ skipping 45 matching lines @@
       return false;
     }
   }
   return true;
 }
 
 const char* GetIconTypeUrlHost(SearchBox::ImageSourceType type) {
   switch (type) {
     case SearchBox::FAVICON:
       return "favicon";
-    case SearchBox::LARGE_ICON:
-      return "large-icon";
-    case SearchBox::FALLBACK_ICON:
-      return "fallback-icon";
     case SearchBox::THUMB:
       return "thumb";
     default:
       NOTREACHED();
   }
   return nullptr;
 }
 
 // Given |path| from an image URL, returns starting index of the page URL,
 // depending on |type| of image URL. Returns -1 if parse fails.
 int GetImagePathStartOfPageURL(SearchBox::ImageSourceType type,
                                const std::string& path) {
   // TODO(huangs): Refactor this: http://crbug.com/468320.
   switch (type) {
     case SearchBox::FAVICON: {
       chrome::ParsedFaviconPath parsed;
       return chrome::ParseFaviconPath(path, &parsed) ? parsed.path_index : -1;
     }
-    case SearchBox::LARGE_ICON: {
-      LargeIconUrlParser parser;
-      return parser.Parse(path) ? parser.path_index() : -1;
-    }
-    case SearchBox::FALLBACK_ICON: {
-      chrome::ParsedFallbackIconPath parser;
-      return parser.Parse(path) ? parser.path_index() : -1;
-    }
     case SearchBox::THUMB: {
       return 0;
     }
     default: {
       NOTREACHED();
       break;
     }
   }
   return -1;
 }
@@ skipping 353 matching lines @@
   embedded_search_request_params_ = EmbeddedSearchRequestParams();
   suggestion_ = InstantSuggestion();
   is_focused_ = false;
   is_key_capture_enabled_ = false;
   theme_info_ = ThemeBackgroundInfo();
 }
 
 void SearchBox::OnDestruct() {
   delete this;
 }