Add a missing switch-case break in WebView UMA

extensions/browser/guest_view/web_view/web_view_permission_helper.cc

 // 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.
 
 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 
 #include <utility>
 
 #include "components/guest_view/browser/guest_view_event.h"
 #include "content/public/browser/render_process_host.h"
@@ skipping 64 matching lines @@
         content::RecordAction(
             UserMetricsAction("WebView.PermissionAllow.Geolocation"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_JAVASCRIPT_DIALOG:
         content::RecordAction(
             UserMetricsAction("WebView.PermissionAllow.JSDialog"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_LOAD_PLUGIN:
         content::RecordAction(
             UserMetricsAction("WebView.Guest.PermissionAllow.PluginLoad"));
+        break;
       case WEB_VIEW_PERMISSION_TYPE_MEDIA:
         content::RecordAction(
             UserMetricsAction("WebView.PermissionAllow.Media"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_NEW_WINDOW:
         content::RecordAction(
             UserMetricsAction("BrowserPlugin.PermissionAllow.NewWindow"));
         break;
       case WEB_VIEW_PERMISSION_TYPE_POINTER_LOCK:
         content::RecordAction(
@@ skipping 305 matching lines @@
     bool allowed_by_default)
     : callback(callback),
       permission_type(permission_type),
       allowed_by_default(allowed_by_default) {
 }
 
 WebViewPermissionHelper::PermissionResponseInfo::~PermissionResponseInfo() {
 }
 
 }  // namespace extensions