Remove media_galleries_handlers - not used.

chrome/common/extensions/api/media_galleries_private/media_galleries_handler.h

-// Copyright 2013 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_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_HANDLER_H_
-#define CHROME_COMMON_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_HANDLER_H_
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "extensions/common/extension.h"
-#include "extensions/common/manifest_handler.h"
-
-class URLPattern;
-
-// Encapsulates the state of a media gallery handler.
-class MediaGalleriesHandler {
- public:
-  typedef std::vector<linked_ptr<MediaGalleriesHandler> > List;
-
-  MediaGalleriesHandler();
-  ~MediaGalleriesHandler();
-
-  std::string extension_id() const { return extension_id_; }
-  void set_extension_id(const std::string& extension_id) {
-    extension_id_ = extension_id;
-  }
-
-  const std::string& id() const { return id_; }
-  void set_id(const std::string& id) { id_ = id; }
-
-  // Default title.
-  const std::string& title() const { return title_; }
-  void set_title(const std::string& title) { title_ = title; }
-
-  // Action icon path.
-  const std::string icon_path() const { return default_icon_path_; }
-  void set_icon_path(const std::string& path) {
-    default_icon_path_ = path;
-  }
-
-  // Returns the media galleries handlers associated with the |extension|.
-  static List* GetHandlers(const extensions::Extension* extension);
-
- private:
-  // The id for the extension this action belongs to (as defined in the
-  // extension manifest).
-  std::string extension_id_;
-  std::string title_;
-  std::string default_icon_path_;
-  // The id for the MediaGalleriesHandler, for example: "ImportToDrive".
-  std::string id_;
-};
-
-// Parses the "media_galleries_handlers" extension manifest key.
-class MediaGalleriesHandlerParser : public extensions::ManifestHandler {
- public:
-  MediaGalleriesHandlerParser();
-  virtual ~MediaGalleriesHandlerParser();
-
-  virtual bool Parse(extensions::Extension* extension,
-                     base::string16* error) OVERRIDE;
-
- private:
-  virtual const std::vector<std::string> Keys() const OVERRIDE;
-};
-
-#endif  // CHROME_COMMON_EXTENSIONS_API_MEDIA_GALLERIES_PRIVATE_MEDIA_GALLERIES_HANDLER_H_