Make USE_EXTERNAL_POPUP_MENU local to content.

content/browser/renderer_host/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_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/common/drag_event_source_info.h"
+#include "content/common/features.h"
 #include "third_party/WebKit/public/platform/WebDragOperation.h"
 
 namespace gfx {
 class ImageSkia;
 class Rect;
 class Vector2d;
 }
 
 #if defined(OS_ANDROID)
 namespace ui {
@@ skipping 34 matching lines @@
   virtual void UpdateDragCursor(blink::WebDragOperation operation) {}
 
   // Notification that view for this delegate got the focus.
   virtual void GotFocus() {}
 
   // Callback to inform the browser that the page is returning the focus to
   // the browser's chrome. If reverse is true, it means the focus was
   // retrieved by doing a Shift-Tab.
   virtual void TakeFocus(bool reverse) {}
 
-#if defined(USE_EXTERNAL_POPUP_MENU)
+#if BUILDFLAG(USE_EXTERNAL_POPUP_MENU)
   // Shows a popup menu with the specified items.
   // This method should call RenderFrameHost::DidSelectPopupMenuItem[s]() or
   // RenderFrameHost::DidCancelPopupMenu() based on the user action.
   virtual void ShowPopupMenu(RenderFrameHost* render_frame_host,
                              const gfx::Rect& bounds,
                              int item_height,
                              double item_font_size,
                              int selected_item,
                              const std::vector<MenuItem>& items,
                              bool right_aligned,
                              bool allow_multiple_selection) {};
 
   // Hides a popup menu opened by ShowPopupMenu().
   virtual void HidePopupMenu() {};
 #endif
 
 #if defined(OS_ANDROID)
   virtual ui::OverscrollRefreshHandler* GetOverscrollRefreshHandler() const;
 #endif
 
  protected:
   virtual ~RenderViewHostDelegateView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_VIEW_H_