Remove ShowDesktopNotificationHostMsgParams in favor of PlatformNotificationData.

content/shell/browser/layout_test/layout_test_notification_manager.h

Index: content/shell/browser/layout_test/layout_test_notification_manager.h
diff --git a/content/shell/browser/layout_test/layout_test_notification_manager.h b/content/shell/browser/layout_test/layout_test_notification_manager.h
index 7792a7a108e7c9cb5a5fe9ce6e5280c7698fd119..3238ee612d63d62d7aaa98113e14e5041256f206 100644
--- a/content/shell/browser/layout_test/layout_test_notification_manager.h
+++ b/content/shell/browser/layout_test/layout_test_notification_manager.h
@@ -16,8 +16,8 @@
 
 namespace content {
 
-struct ShowDesktopNotificationHostMsgParams;
 class DesktopNotificationDelegate;
+struct PlatformNotificationData;
 
 // Responsible for tracking active notifications and allowed origins for the
 // Web Notification API when running layout tests.
@@ -49,14 +49,18 @@ class LayoutTestNotificationManager : public PlatformNotificationService {
       const GURL& origin,
       int render_process_id) override;
   void DisplayNotification(BrowserContext* browser_context,
-                           const ShowDesktopNotificationHostMsgParams& params,
+                           const GURL& origin,
+                           const SkBitmap& icon,
+                           const PlatformNotificationData& notification_data,
                            scoped_ptr<DesktopNotificationDelegate> delegate,
                            int render_process_id,
                            base::Closure* cancel_callback) override;
   void DisplayPersistentNotification(
       BrowserContext* browser_context,
       int64 service_worker_registration_id,
-      const ShowDesktopNotificationHostMsgParams& params,
+      const GURL& origin,
+      const SkBitmap& icon,
+      const PlatformNotificationData& notification_data,
       int render_process_id) override;
   void ClosePersistentNotification(
       BrowserContext* browser_context,