Introduce window.internals.selected{Html,Text}ForClipboard()

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 752c2a67b5461a7269dcfa3ae325600a96b4bb30..49a053b3a2d1f861fb0f0f7f1e0ab4beb2f235b9 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -2316,6 +2316,16 @@ void Internals::forceBlinkGCWithoutV8GC()
     ThreadState::current()->setGCState(ThreadState::GCScheduledForTesting);
 }
 
+String Internals::selectedHTMLForClipboard()
+{
+    return frame()->selection().selectedHTMLForClipboard();
+}
+
+String Internals::selectedTextForClipboard()
+{
+    return frame()->selection().selectedTextForClipboard();
+}
+
 ValueIterable<int>::IterationSource* Internals::startIteration(ScriptState*, ExceptionState&)
 {
     return new InternalsIterationSource();