We do not pass enums by conts references. This CL fixes style errors introduced

content/port/browser/render_view_host_delegate_view.h

 // Copyright (c) 2012 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 CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 #define CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 16 matching lines @@
 struct ContextMenuParams;
 
 // This class provides a way for the RenderViewHost to reach out to its
 // delegate's view. It only needs to be implemented by embedders if they don't
 // use the default WebContentsView implementations.
 class CONTENT_EXPORT RenderViewHostDelegateView {
  public:
   // A context menu should be shown, to be built using the context information
   // provided in the supplied params.
   virtual void ShowContextMenu(const ContextMenuParams& params,
-                               const ContextMenuSourceType& type) {}
+                               ContextMenuSourceType type) {}
 
   // Shows a popup menu with the specified items.
   // This method should call RenderViewHost::DidSelectPopupMenuItem[s]() or
   // RenderViewHost::DidCancelPopupMenu() based on the user action.
   virtual void ShowPopupMenu(const gfx::Rect& bounds,
                              int item_height,
                              double item_font_size,
                              int selected_item,
                              const std::vector<WebMenuItem>& items,
                              bool right_aligned,
@@ skipping 19 matching lines @@
   // retrieved by doing a Shift-Tab.
   virtual void TakeFocus(bool reverse) {}
 
  protected:
   virtual ~RenderViewHostDelegateView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_