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

content/browser/frame_host/interstitial_page_impl.cc

Index: content/browser/frame_host/interstitial_page_impl.cc
diff --git a/content/browser/frame_host/interstitial_page_impl.cc b/content/browser/frame_host/interstitial_page_impl.cc
index 455ac74ebe69af1b12b14baa007d0263557c2beb..744b095b59491e90919c8006911b7d5f13d8852b 100644
--- a/content/browser/frame_host/interstitial_page_impl.cc
+++ b/content/browser/frame_host/interstitial_page_impl.cc
@@ -27,6 +27,7 @@
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/browser/web_contents/web_contents_view.h"
 #include "content/common/frame_messages.h"
+#include "content/common/input_messages.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ -190,6 +191,91 @@ InterstitialPageImpl::InterstitialPageImpl(
 InterstitialPageImpl::~InterstitialPageImpl() {
 }
 
+void InterstitialPageImpl::Undo() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Undo(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Undo"));
+}
+
+void InterstitialPageImpl::Redo() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Redo(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Redo"));
+}
+
+void InterstitialPageImpl::Cut() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Cut(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Cut"));
+}
+
+void InterstitialPageImpl::Copy() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Copy(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Copy"));
+}
+
+void InterstitialPageImpl::CopyToFindPboard() {
+#if defined(OS_MACOSX)
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  // Windows/Linux don't have the concept of a find pasteboard.
+  focused_frame->Send(
+      new InputMsg_CopyToFindPboard(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("CopyToFindPboard"));
+#endif
+}
+
+void InterstitialPageImpl::Paste() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Paste(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Paste"));
+}
+
+void InterstitialPageImpl::PasteAndMatchStyle() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(
+      new InputMsg_PasteAndMatchStyle(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("PasteAndMatchStyle"));
+}
+
+void InterstitialPageImpl::SelectAll() {
+  RenderFrameHostImpl* focused_frame =
+      frame_tree_.GetFocusedFrame()->current_frame_host();
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_SelectAll(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("SelectAll"));
+}
+
 void InterstitialPageImpl::Show() {
   if (!enabled())
     return;