Clean up a few TODO items.

content/port/browser/render_widget_host_view_port.h

Index: content/port/browser/render_widget_host_view_port.h
diff --git a/content/port/browser/render_widget_host_view_port.h b/content/port/browser/render_widget_host_view_port.h
index 7d84000cb6b551589d192079f6c90b0ad4c0579d..9f10d05636b13496ebb9d8726d1d30d6448a54ce 100644
--- a/content/port/browser/render_widget_host_view_port.h
+++ b/content/port/browser/render_widget_host_view_port.h
@@ -244,9 +244,14 @@ class CONTENT_EXPORT RenderWidgetHostViewPort : public RenderWidgetHostView {
   virtual void UnlockMouse() = 0;
   virtual bool IsMouseLocked() = 0;
 
+  // Called when a mousewheel event was not processed by the renderer.
+  virtual void UnhandledWheelEvent(const WebKit::WebMouseWheelEvent& event) = 0;
+
   virtual void SetPopupType(WebKit::WebPopupType popup_type) = 0;
   virtual WebKit::WebPopupType GetPopupType() = 0;
 
+  virtual BrowserAccessibilityManager*
+      GetBrowserAccessibilityManager() const = 0;
   virtual void OnAccessibilityNotifications(
       const std::vector<AccessibilityHostMsg_NotificationParams>& params) {
   }