Use |FrameSelection::selectedText()| where possible.

third_party/WebKit/Source/core/clipboard/DataTransfer.cpp

Index: third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
diff --git a/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp b/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
index 5c9077f6560d8db85602e75bc62f89542e6b70a7..3a04c4fd7db259741b365fce0d89b57ac18ff1f2 100644
--- a/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
+++ b/third_party/WebKit/Source/core/clipboard/DataTransfer.cpp
@@ -357,9 +357,7 @@ void DataTransfer::writeSelection(const FrameSelection& selection)
         return;
 
     if (!enclosingTextFormControl(selection.start())) {
-        EphemeralRange selectedRange = selection.selection().toNormalizedEphemeralRange();
-        ASSERT(selectedRange.isNotNull());
-        m_dataObject->setHTMLAndBaseURL(createMarkup(selectedRange.startPosition(), selectedRange.endPosition(), AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs), selectedRange.document().url());
+        m_dataObject->setHTMLAndBaseURL(selection.selectedHTMLForClipboard(), selection.frame()->document()->url());
     }
 
     String str = selection.selectedTextForClipboard();