Delete unused chrome://fallback-icon/ handling

components/favicon_base/fallback_icon_url_parser.h

-// 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.
-
-#ifndef COMPONENTS_FAVICON_BASE_FALLBACK_ICON_URL_PARSER_H_
-#define COMPONENTS_FAVICON_BASE_FALLBACK_ICON_URL_PARSER_H_
-
-#include <stddef.h>
-
-#include <string>
-
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "components/favicon_base/fallback_icon_style.h"
-#include "third_party/skia/include/core/SkColor.h"
-
-namespace chrome {
-
-class ParsedFallbackIconPath {
- public:
-  ParsedFallbackIconPath();
-  ~ParsedFallbackIconPath();
-
-  const std::string& url_string() const { return url_string_; }
-
-  int size_in_pixels() const { return size_in_pixels_; }
-
-  const favicon_base::FallbackIconStyle& style() const { return style_; }
-
-  size_t path_index() const { return path_index_; }
-
-  // Parses |path|, which should be in the format described at the top of the
-  // file "chrome/browser/ui/webui/fallback_icon_source.h".
-  bool Parse(const std::string& path);
-
- private:
-  // Parses |specs_str|, which should be the comma-separated value portion
-  // in the format described at the top of the file
-  // "chrome/browser/ui/webui/fallback_icon_source.h".
-  static bool ParseSpecs(const std::string& specs_str,
-                         int *size,
-                         favicon_base::FallbackIconStyle* style);
-
-  // Helper to parse color string (e.g., "red", "#f00", "#aB0137"). On success,
-  // returns true and writes te result to |*color|.
-  static bool ParseColor(const std::string& color_str, SkColor* color);
-
-  friend class FallbackIconUrlParserTest;
-  FRIEND_TEST_ALL_PREFIXES(FallbackIconUrlParserTest, ParseColorSuccess);
-  FRIEND_TEST_ALL_PREFIXES(FallbackIconUrlParserTest, ParseColorFailure);
-  FRIEND_TEST_ALL_PREFIXES(FallbackIconUrlParserTest, ParseSpecsEmpty);
-  FRIEND_TEST_ALL_PREFIXES(FallbackIconUrlParserTest, ParseSpecsPartial);
-  FRIEND_TEST_ALL_PREFIXES(FallbackIconUrlParserTest, ParseSpecsFull);
-  FRIEND_TEST_ALL_PREFIXES(FallbackIconUrlParserTest, ParseSpecsFailure);
-
-  // The page URL string the fallback icon is requested for.
-  std::string url_string_;
-
-  // The size of the requested fallback icon in pixels.
-  int size_in_pixels_;
-
-  // Styling specifications of fallback icon.
-  favicon_base::FallbackIconStyle style_;
-
-  // The index of the first character (relative to the path) where the the URL
-  // from which the fallback icon is being requested is located.
-  size_t path_index_;
-
-  DISALLOW_COPY_AND_ASSIGN(ParsedFallbackIconPath);
-};
-
-}  // namespace chrome
-
-#endif  // COMPONENTS_FAVICON_BASE_FALLBACK_ICON_URL_PARSER_H_