Remove a bunch of NPAPI quirks and related support code

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index 6094b9b9acb4947ff2901b287342c09ed1117520..f9600fca043e0bdecd776465c646d45eede1cec9 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -589,12 +589,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl : public RenderWidgetHost,
   void OnShowDisambiguationPopup(const gfx::Rect& rect_pixels,
                                  const gfx::Size& size,
                                  const cc::SharedBitmapId& id);
-#if defined(OS_WIN)
-  void OnWindowlessPluginDummyWindowCreated(
-      gfx::NativeViewId dummy_activation_window);
-  void OnWindowlessPluginDummyWindowDestroyed(
-      gfx::NativeViewId dummy_activation_window);
-#endif
   void OnSelectionChanged(const base::string16& text,
                           uint32_t offset,
                           const gfx::Range& range);
@@ -804,10 +798,6 @@ class CONTENT_EXPORT RenderWidgetHostImpl : public RenderWidgetHost,
   // being sent, in which case the timer should fire).
   bool received_paint_after_load_;
 
-#if defined(OS_WIN)
-  std::list<HWND> dummy_windows_for_activation_;
-#endif
-
   RenderWidgetHostLatencyTracker latency_tracker_;
 
   int next_browser_snapshot_id_;