Move Mime type handling to streamsPrivate API, so that it works on Desktop Chrome.

chrome/browser/extensions/api/streams_private/streams_private_api.h

+// Copyright (c) 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "base/values.h"
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
+#include "chrome/browser/extensions/extension_function.h"
+#include "chrome/browser/profiles/profile_keyed_service.h"
+#include "chrome/common/extensions/extension.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class Profile;
+
+namespace extensions {
+
+class StreamsPrivateAPI : public ProfileKeyedAPI {
+ public:
+  explicit StreamsPrivateAPI(Profile* profile);
+  virtual ~StreamsPrivateAPI();
+
+  // ProfileKeyedAPI implementation.
+  static ProfileKeyedAPIFactory<StreamsPrivateAPI>* GetFactoryInstance();
+
+ private:
+  friend class ProfileKeyedAPIFactory<StreamsPrivateAPI>;
+
+  // ProfileKeyedAPI implementation.
+  static const char* service_name() {
+    return "StreamsPrivateAPI";
+  }
+  static const bool kServiceIsNULLWhileTesting = true;
+
+  Profile* const profile_;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_STREAMS_PRIVATE_STREAMS_PRIVATE_API_H_