Add a mimeHandler extension API.

chrome/common/extensions/manifest_handlers/mime_types_handler.h

-// Copyright 2014 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 CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_MIME_TYPES_HANDLER_H_
-#define CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_MIME_TYPES_HANDLER_H_
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_handler.h"
-
-class MimeTypesHandler {
- public:
-  // Returns list of extensions' ids that are allowed to use MIME type filters.
-  static std::vector<std::string> GetMIMETypeWhitelist();
-
-  static MimeTypesHandler* GetHandler(const extensions::Extension* extension);
-
-  MimeTypesHandler();
-  ~MimeTypesHandler();
-
-  // extension id
-  std::string extension_id() const { return extension_id_; }
-  void set_extension_id(const std::string& extension_id) {
-    extension_id_ = extension_id;
-  }
-
-  // Adds a MIME type filter to the handler.
-  void AddMIMEType(const std::string& mime_type);
-  // Tests if the handler has registered a filter for the MIME type.
-  bool CanHandleMIMEType(const std::string& mime_type) const;
-
-  // Set the URL that will be used to handle MIME type requests.
-  void set_handler_url(const std::string& handler_url) {
-    handler_url_ = handler_url;
-  }
-  // The URL that will be used to handle MIME type requests.
-  const std::string& handler_url() const { return handler_url_; }
-
-  const std::set<std::string>& mime_type_set() const { return mime_type_set_; }
-
- private:
-  // The id for the extension this action belongs to (as defined in the
-  // extension manifest).
-  std::string extension_id_;
-
-  // A list of MIME type filters.
-  std::set<std::string> mime_type_set_;
-
-  std::string handler_url_;
-};
-
-class MimeTypesHandlerParser : public extensions::ManifestHandler {
- public:
-  MimeTypesHandlerParser();
-  ~MimeTypesHandlerParser() override;
-
-  bool Parse(extensions::Extension* extension, base::string16* error) override;
-
- private:
-  const std::vector<std::string> Keys() const override;
-};
-
-#endif  // CHROME_COMMON_EXTENSIONS_MANIFEST_HANDLERS_MIME_TYPES_HANDLER_H_