WebMouseEvent coordinates are now fractional & private

chrome/renderer/plugins/chrome_plugin_placeholder.cc

 // 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.
 
 #include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 312 matching lines @@
 
   content::MenuItem hide_item;
   hide_item.action = chrome::MENU_COMMAND_PLUGIN_HIDE;
   bool is_main_frame_plugin_document =
       GetFrame()->view()->mainFrame()->isWebLocalFrame() &&
       GetFrame()->view()->mainFrame()->document().isPluginDocument();
   hide_item.enabled = !is_main_frame_plugin_document;
   hide_item.label = l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_PLUGIN_HIDE);
   params.custom_items.push_back(hide_item);
 
-  blink::WebPoint point(event.x, event.y);
+  blink::WebPoint point(event.positionInWidget().x, event.positionInWidget().y);
   if (plugin() && plugin()->container())
     point = plugin()->container()->localToRootFramePoint(point);
 
   params.x = point.x;
   params.y = point.y;
 
   context_menu_request_id_ = render_frame()->ShowContextMenu(this, params);
   g_last_active_menu = this;
 }
 
@@ skipping 40 matching lines @@
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePluginPlaceholderTesting)) {
     builder.SetMethod<void (ChromePluginPlaceholder::*)()>(
         "didFinishIconRepositionForTesting",
         &ChromePluginPlaceholder::DidFinishIconRepositionForTestingCallback);
   }
 
   return builder;
 }