Change the ChromiumPasteboard to have a notion of an alternate clipboard...

webkit/tools/test_shell/mock_webclipboard_impl.cc

 // Copyright (c) 2009 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/clipboard.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "net/base/escape.h"
 #include "webkit/api/public/WebImage.h"
 #include "webkit/api/public/WebURL.h"
 #include "webkit/glue/webclipboard_impl.h"
 #include "webkit/glue/webkit_glue.h"
 
 using WebKit::WebString;
 using WebKit::WebURL;
 
-bool MockWebClipboardImpl::isFormatAvailable(Format format) {
+bool MockWebClipboardImpl::isFormatAvailable(Format format, Buffer buffer) {
   switch (format) {
     case FormatHTML:
       return !m_htmlText.isEmpty();
 
     case FormatSmartPaste:
       return m_writeSmartPaste;
 
     default:
       NOTREACHED();
       return false;
   }
+
+  switch (buffer) {
+    case BufferStandard:
+      break;
+    case BufferSelection:
+#if defined(OS_LINUX)
+      break;
+#endif
+    default:
+      NOTREACHED();
+      return false;
+  }
+
   return true;
 }
 
-WebKit::WebString MockWebClipboardImpl::readPlainText() {
+WebKit::WebString MockWebClipboardImpl::readPlainText(
+    WebKit::WebClipboard::Buffer buffer) {
   return m_plainText;
 }
 
 // TODO(wtc): set output argument *url.
-WebKit::WebString MockWebClipboardImpl::readHTML(WebKit::WebURL* url) {
+WebKit::WebString MockWebClipboardImpl::readHTML(
+    WebKit::WebClipboard::Buffer buffer, WebKit::WebURL* url) {
   return m_htmlText;
 }
 
 void MockWebClipboardImpl::writeHTML(
     const WebKit::WebString& htmlText, const WebKit::WebURL& url,
     const WebKit::WebString& plainText, bool writeSmartPaste) {
   m_htmlText = htmlText;
   m_plainText = plainText;
   m_writeSmartPaste = writeSmartPaste;
 }
 
 void MockWebClipboardImpl::writeURL(
     const WebKit::WebURL& url, const WebKit::WebString& title) {
   m_htmlText = WebString::fromUTF8(
       webkit_glue::WebClipboardImpl::URLToMarkup(url, title));
   m_plainText = url.spec().utf16();
   m_writeSmartPaste = false;
 }
 
 void MockWebClipboardImpl::writeImage(const WebKit::WebImage& image,
     const WebKit::WebURL& url, const WebKit::WebString& title) {
   if (!image.isNull()) {
     m_htmlText = WebString::fromUTF8(
         webkit_glue::WebClipboardImpl::URLToImageMarkup(url, title));
     m_plainText = m_htmlText;
     m_writeSmartPaste = false;
   }
 }