Compute the popup location/size correctly when use-zoom-for-dsf is enabled.

components/plugins/renderer/webview_plugin.h

 // Copyright 2013 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 COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_
 #define COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_
 
 #include <list>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 109 matching lines @@
   bool acceptsLoadDrops() override;
 
   void setToolTipText(const blink::WebString&,
                       blink::WebTextDirection) override;
 
   void startDragging(blink::WebLocalFrame* frame,
                      const blink::WebDragData& drag_data,
                      blink::WebDragOperationsMask mask,
                      const blink::WebImage& image,
                      const blink::WebPoint& point) override;
+  void convertViewportToScreen(blink::WebRect* rect) override;
 
   // TODO(ojan): Remove this override and have this class use a non-null
   // layerTreeView.
   bool allowsBrokenNullLayerTreeView() const override;
 
   // WebWidgetClient methods:
   void didInvalidateRect(const blink::WebRect&) override;
   void didUpdateLayoutSize(const blink::WebSize&) override;
   void didChangeCursor(const blink::WebCursorInfo& cursor) override;
   void scheduleAnimation() override;
@@ skipping 37 matching lines @@
 
   blink::WebURLResponse response_;
   std::list<std::string> data_;
   scoped_ptr<blink::WebURLError> error_;
   blink::WebString old_title_;
   bool finished_loading_;
   bool focused_;
 };
 
 #endif  // COMPONENTS_PLUGINS_RENDERER_WEBVIEW_PLUGIN_H_