[Media Router] Clean up issues related code.

chrome/browser/ui/webui/media_router/media_router_webui_message_handler.h

 // Copyright 2015 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_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_WEBUI_MESSAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_WEBUI_MESSAGE_HANDLER_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 74 matching lines @@
   void OnReportSelectedCastMode(const base::ListValue* args);
   void OnReportSinkCount(const base::ListValue* args);
   void OnReportTimeToClickSink(const base::ListValue* args);
   void OnReportTimeToInitialActionClose(const base::ListValue* args);
   void OnSearchSinksAndCreateRoute(const base::ListValue* args);
   void OnInitialDataReceived(const base::ListValue* args);
 
   // Performs an action for an Issue of |type|.
   // |args| contains additional parameter that varies based on |type|.
   // Returns |true| if the action was successfully performed.
-  bool ActOnIssueType(const IssueAction::Type& type,
+  bool ActOnIssueType(Issue::ActionType type,
                       const base::DictionaryValue* args);
 
   // May update the first run flow related properties in the WebUI. This is
   // called after the initial data is received to avoid unnecessary work when
   // initializing the WebUI.
   void MaybeUpdateFirstRunFlowData();
 
   // Returns the current cast mode for the route with ID |route_id| or -1 if the
   // route has no current cast mode.
   int CurrentCastModeForRouteId(
@@ skipping 21 matching lines @@
   bool dialog_closing_;
 
   MediaRouterUI* media_router_ui_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaRouterWebUIMessageHandler);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_MEDIA_ROUTER_WEBUI_MESSAGE_HANDLER_H_