Make some editing/selection functions accessible to c/b/renderer_host/

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 d3a20e0a0b3baeb49450c83b11d5f21516b4fbef..6ea83771aa928314a77e5f4267cadedf1073d5fc 100644
--- a/content/browser/frame_host/interstitial_page_impl.cc
+++ b/content/browser/frame_host/interstitial_page_impl.cc
@@ -29,6 +29,7 @@
 #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"
@@ -426,6 +427,39 @@ AccessibilityMode InterstitialPageImpl::GetAccessibilityMode() const {
     return AccessibilityModeOff;
 }
 
+void InterstitialPageImpl::Cut() {
+  FrameTreeNode* focused_node = frame_tree_.GetFocusedFrame();
+  RenderFrameHostImpl* focused_frame =
+      focused_node ? focused_node->current_frame_host() : nullptr;
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Cut(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Cut"));
+}
+
+void InterstitialPageImpl::Copy() {
+  FrameTreeNode* focused_node = frame_tree_.GetFocusedFrame();
+  RenderFrameHostImpl* focused_frame =
+      focused_node ? focused_node->current_frame_host() : nullptr;
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Copy(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Copy"));
+}
+
+void InterstitialPageImpl::Paste() {
+  FrameTreeNode* focused_node = frame_tree_.GetFocusedFrame();
+  RenderFrameHostImpl* focused_frame =
+      focused_node ? focused_node->current_frame_host() : nullptr;
+  if (!focused_frame)
+    return;
+
+  focused_frame->Send(new InputMsg_Paste(focused_frame->GetRoutingID()));
+  RecordAction(base::UserMetricsAction("Paste"));
+}
+
 RenderViewHostDelegateView* InterstitialPageImpl::GetDelegateView() {
   return rvh_delegate_view_.get();
 }