[ProtocolHandlers] Add a permission bubble client for RPH requests.

chrome/browser/custom_handlers/register_protocol_handler_permission_request.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_BROWSER_CUSTOM_HANDLERS_REGISTER_PROTOCOL_HANDLER_PERMISSION_REQUEST_H_
+#define CHROME_BROWSER_CUSTOM_HANDLERS_REGISTER_PROTOCOL_HANDLER_PERMISSION_REQUEST_H_
+
+#include "chrome/browser/ui/website_settings/permission_bubble_request.h"
+#include "chrome/common/custom_handlers/protocol_handler.h"
+
+class ProtocolHandlerRegistry;
+
+// This class provides display data for a permission bubble request, shown when
+// a page wants to register a protocol handler and was triggered by a user
+// action.
+class RegisterProtocolHandlerPermissionRequest
+    : public PermissionBubbleRequest {
+ public:
+  RegisterProtocolHandlerPermissionRequest(
+      ProtocolHandlerRegistry* registry,
+      const ProtocolHandler& handler);
+  virtual ~RegisterProtocolHandlerPermissionRequest();
+
+  // PermissionBubbleRequest:
+  virtual base::string16 GetMessageText() const OVERRIDE;
+  virtual base::string16 GetMessageTextFragment() const OVERRIDE;
+  virtual base::string16 GetAlternateAcceptButtonText() const OVERRIDE;
+  virtual base::string16 GetAlternateDenyButtonText() const OVERRIDE;
+  virtual void PermissionGranted() OVERRIDE;
+  virtual void PermissionDenied() OVERRIDE;
+  virtual void Cancelled() OVERRIDE;
+  virtual void RequestFinished() OVERRIDE;
+
+ private:
+  ProtocolHandlerRegistry* registry_;
+  ProtocolHandler handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(RegisterProtocolHandlerPermissionRequest);
+};
+
+#endif  // CHROME_BROWSER_CUSTOM_HANDLERS_REGISTER_PROTOCOL_HANDLER_PERMISSION_REQUEST_H_