Fix copying from interstitial pages on OSX by going through the RenderWidgetHostDelegate.

content/browser/frame_host/interstitial_page_impl.h

Index: content/browser/frame_host/interstitial_page_impl.h
diff --git a/content/browser/frame_host/interstitial_page_impl.h b/content/browser/frame_host/interstitial_page_impl.h
index a509c1b69da64bd8d2552be04d458fbfc8b63093..f1f70c3429de30d66feeb85822c3f70842b57b15 100644
--- a/content/browser/frame_host/interstitial_page_impl.h
+++ b/content/browser/frame_host/interstitial_page_impl.h
@@ -57,6 +57,15 @@ class CONTENT_EXPORT InterstitialPageImpl
   ~InterstitialPageImpl() override;
 
   // InterstitialPage implementation:
+  void Undo() override;

[nasko, 2015/05/13 17:24:08]

Those methods aren't part of the InterstitialPage interface, so they shouldn't
be under its heading. Please add // RenderWidgetHostDelegate implementation:
heading before those methods.

[lgarron, 2015/05/13 21:58:40]

Done.

+  void Redo() override;
+  void Cut() override;
+  void Copy() override;
+  void CopyToFindPboard() override;
+  void Paste() override;
+  void PasteAndMatchStyle() override;
+  void SelectAll() override;
+
   void Show() override;
   void Hide() override;
   void DontProceed() override;