Enable external popup menu in Blimp, part 2/2.

content/public/browser/web_contents_view_delegate.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_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_
 
 #if defined(__OBJC__)
 #import <Cocoa/Cocoa.h>
 #endif
 
+#include <vector>
+
 #include "base/callback_forward.h"
 #include "content/common/content_export.h"
 #include "ui/gfx/native_widget_types.h"
 
 #if defined(__OBJC__)
 @protocol RenderWidgetHostViewMacDelegate;
 #endif
 
 namespace gfx {
 class Rect;
 class Size;
 }
 
 namespace ui {
 class GestureEvent;
 class MouseEvent;
 }
 
 namespace content {
 class RenderFrameHost;
 class RenderWidgetHost;
 class WebDragDestDelegate;
 struct ContextMenuParams;
+struct MenuItem;
 
 // This interface allows a client to extend the functionality of the
 // WebContentsView implementation.
 class CONTENT_EXPORT WebContentsViewDelegate {
  public:
   virtual ~WebContentsViewDelegate();
 
   // Returns the native window containing the WebContents, or nullptr if the
   // WebContents is not in any window.
   virtual gfx::NativeWindow GetNativeWindow();
 
   // Returns a delegate to process drags not handled by content.
   virtual WebDragDestDelegate* GetDragDestDelegate();
 
   // Shows a context menu.
   virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
                                const ContextMenuParams& params);
 
   // These methods allow the embedder to intercept a WebContentsView's
   // implementation of these methods. See the WebContentsView interface
   // documentation for more information about these methods.
   virtual void StoreFocus();
   virtual void RestoreFocus();
   virtual bool Focus();
   virtual void TakeFocus(bool reverse);
   virtual void SizeChanged(const gfx::Size& size);
 
-  // Returns a newly-created delegate for the RenderWidgetHostViewMac, to handle
-  // events on the responder chain.
+#if defined(USE_EXTERNAL_POPUP_MENU) && defined(USE_AURA)
+  // 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
+
+// Returns a newly-created delegate for the RenderWidgetHostViewMac, to handle
+// events on the responder chain.
 #if defined(__OBJC__)
   virtual NSObject<RenderWidgetHostViewMacDelegate>*
       CreateRenderWidgetHostViewDelegate(
           RenderWidgetHost* render_widget_host);
 #else
   virtual void* CreateRenderWidgetHostViewDelegate(
       RenderWidgetHost* render_widget_host);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_DELEGATE_H_