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

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1236 matching lines @@
     replaceNBSPWithSpace(text);
     return text;
 }
 
 WebString WebLocalFrameImpl::selectionAsMarkup() const
 {
     WebPluginContainerImpl* pluginContainer = pluginContainerFromFrame(frame());
     if (pluginContainer)
         return pluginContainer->plugin()->selectionAsMarkup();
 
-    const EphemeralRange range = frame()->selection().selection().toNormalizedEphemeralRange();
-    if (range.isNull())
-        return WebString();
-
-    return createMarkup(range.startPosition(), range.endPosition(), AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
+    return frame()->selection().selectedHTMLForClipboard();
 }
 
 void WebLocalFrameImpl::selectWordAroundPosition(LocalFrame* frame, VisiblePosition position)
 {
     TRACE_EVENT0("blink", "WebLocalFrameImpl::selectWordAroundPosition");
     frame->selection().selectWordAroundPosition(position);
 }
 
 bool WebLocalFrameImpl::selectWordAroundCaret()
 {
@@ skipping 932 matching lines @@
 }
 
 WebSandboxFlags WebLocalFrameImpl::effectiveSandboxFlags() const
 {
     if (!frame())
         return WebSandboxFlags::None;
     return static_cast<WebSandboxFlags>(frame()->loader().effectiveSandboxFlags());
 }
 
 } // namespace blink