Remove deprecated WebClipboard::readHTML method.

webkit/tools/test_shell/mock_webclipboard_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/tools/test_shell/mock_webclipboard_impl.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "net/base/escape.h"
@@ skipping 50 matching lines @@
   return true;
 }
 
 WebKit::WebString MockWebClipboardImpl::readPlainText(
     WebKit::WebClipboard::Buffer buffer) {
   return m_plainText;
 }
 
 // TODO(wtc): set output argument *url.
 WebKit::WebString MockWebClipboardImpl::readHTML(
-    WebKit::WebClipboard::Buffer buffer, WebKit::WebURL* url) {
-  return m_htmlText;
-}
-
-WebKit::WebString MockWebClipboardImpl::readHTML(
     WebKit::WebClipboard::Buffer buffer, WebKit::WebURL* url,
     unsigned* fragmentStart, unsigned* fragmentEnd) {
   *fragmentStart = 0;
   *fragmentEnd = static_cast<unsigned>(m_htmlText.length());
   return m_htmlText;
 }
 
 WebKit::WebData MockWebClipboardImpl::readImage(
     WebKit::WebClipboard::Buffer buffer) {
   std::string data;
@@ skipping 70 matching lines @@
     results.push_back(WebString("text/plain")); 
   }
   if (!m_htmlText.isEmpty()) {
     results.push_back(WebString("text/html"));
   }
   if (!m_image.isNull()) {
     results.push_back(WebString("image/png"));
   }
   return results;
 }