Remove unused chrome://large-icon

components/favicon_base/large_icon_url_parser.cc

-// Copyright 2015 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 "components/favicon_base/large_icon_url_parser.h"
-
-#include "base/logging.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "third_party/skia/include/utils/SkParse.h"
-#include "ui/gfx/favicon_size.h"
-
-LargeIconUrlParser::LargeIconUrlParser() : size_in_pixels_(48) {
-}
-
-LargeIconUrlParser::~LargeIconUrlParser() {
-}
-
-bool LargeIconUrlParser::Parse(base::StringPiece path) {
-  if (path.empty())
-    return false;
-
-  size_t slash = path.find("/", 0);  // |path| does not start with '/'.
-  if (slash == base::StringPiece::npos)
-    return false;
-  base::StringPiece size_str = path.substr(0, slash);
-  // Disallow empty, non-numeric, or non-positive sizes.
-  if (size_str.empty() ||
-      !base::StringToInt(size_str, &size_in_pixels_) ||
-      size_in_pixels_ <= 0)
-    return false;
-
-  // Need to store the index of the URL field, so Instant Extended can translate
-  // large icon URLs using advanced parameters.
-  // Example:
-  //   "chrome-search://large-icon/48/<renderer-id>/<most-visited-id>"
-  // would be translated to:
-  //   "chrome-search://large-icon/48/<most-visited-item-with-given-id>".
-  path_index_ = slash + 1;
-  url_string_ = path.substr(path_index_).as_string();
-  return true;
-}