Remove ShowDesktopNotificationHostMsgParams in favor of PlatformNotificationData.

chrome/browser/notifications/platform_notification_service_impl.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_NOTIFICATIONS_PLATFORM_NOTIFICATION_SERVICE_IMPL_H_
 #define CHROME_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_SERVICE_IMPL_H_
 
 #include "base/memory/singleton.h"
 #include "content/public/browser/platform_notification_service.h"
 
 // The platform notification service is the profile-agnostic entry point through
 // which Web Notifications can be controlled.
 class PlatformNotificationServiceImpl
     : public content::PlatformNotificationService {
  public:
   // Returns the active instance of the service in the browser process. Safe to
   // be called from any thread.
   static PlatformNotificationServiceImpl* GetInstance();
 
   // content::PlatformNotificationService implementation.
   blink::WebNotificationPermission CheckPermission(
       content::ResourceContext* resource_context,
       const GURL& origin,
-      int render_process_id) override;;
+      int render_process_id) override;
   void DisplayNotification(
       content::BrowserContext* browser_context,
-      const content::ShowDesktopNotificationHostMsgParams& params,
+      const GURL& origin,
+      const SkBitmap& icon,
+      const content::PlatformNotificationData& notification_data,
       scoped_ptr<content::DesktopNotificationDelegate> delegate,
       int render_process_id,
       base::Closure* cancel_callback) override;
   void DisplayPersistentNotification(
       content::BrowserContext* browser_context,
       int64 service_worker_registration_id,
-      const content::ShowDesktopNotificationHostMsgParams& params,
+      const GURL& origin,
+      const SkBitmap& icon,
+      const content::PlatformNotificationData& notification_data,
       int render_process_id) override;
   void ClosePersistentNotification(
       content::BrowserContext* browser_context,
       const std::string& persistent_notification_id) override;
 
  private:
   friend struct DefaultSingletonTraits<PlatformNotificationServiceImpl>;
 
   PlatformNotificationServiceImpl();
   ~PlatformNotificationServiceImpl() override;
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_PLATFORM_NOTIFICATION_SERVICE_IMPL_H_