Adds link disambiguation popup support to Windows.

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/basictypes.h"
+#include "base/callback.h"
 #include "content/common/content_export.h"
 #include "content/common/drag_event_source_info.h"
 #include "third_party/WebKit/public/web/WebDragOperation.h"
 
 class SkBitmap;
 
 namespace gfx {
 class ImageSkia;
 class Rect;
 class Vector2d;
 }
 
+namespace ui {
+class GestureEvent;
+class MouseEvent;
+}
+
 namespace content {
 class RenderFrameHost;
 struct ContextMenuParams;
 struct DropData;
 struct MenuItem;
 
 // 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 {
@@ skipping 36 matching lines @@
                              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(TOOLKIT_VIEWS)
+  // Shows a Link Disambiguation Popup. |target_rect| is the area the user
+  // touched that resulted in ambiguity, in DIPs in the host's coordinate
+  // system, |zoomed_bitmap| is an enlarged image of that |target_rect|, and
+  // |callback| is for forwarding on to the original scale web content.
+  virtual void ShowDisambiguationPopup(
+      const gfx::Rect& target_rect,
+      const SkBitmap& zoomed_bitmap,
+      const base::Callback<void(ui::GestureEvent*)>& gesture_cb,
+      const base::Callback<void(ui::MouseEvent*)>& mouse_cb) {}
+
+  // Hides the Link Disambiguation Popup, if it was showing, otherwise does
+  // nothing.
+  virtual void HideDisambiguationPopup() {}
+#endif
+
  protected:
   virtual ~RenderViewHostDelegateView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_VIEW_H_