Have ScopedClipboardWriter and Clipboard::WriteObjects take a buffer parameter.

chrome/browser/ui/pdf/pdf_browsertest.cc

 // Copyright (c) 2012 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 "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 251 matching lines @@
       browser()->GetSelectedTabContentsWrapper(), UTF8ToUTF16("adipiscing"),
       true, false, NULL));
 
   // Verify that copying selected text works.
   ui::Clipboard clipboard;
   // Reset the clipboard first.
   ui::Clipboard::ObjectMap objects;
   ui::Clipboard::ObjectMapParams params;
   params.push_back(std::vector<char>());
   objects[ui::Clipboard::CBF_TEXT] = params;
-  clipboard.WriteObjects(objects);
+  clipboard.WriteObjects(ui::Clipboard::BUFFER_STANDARD, objects);
 
   browser()->GetSelectedWebContents()->GetRenderViewHost()->Copy();
   ASSERT_NO_FATAL_FAILURE(WaitForResponse());
 
   std::string text;
   clipboard.ReadAsciiText(ui::Clipboard::BUFFER_STANDARD, &text);
   ASSERT_EQ("adipiscing", text);
 }
 
 // Tests that loading async pdfs works correctly (i.e. document fully loads).
@@ skipping 69 matching lines @@
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScript(
       browser()->GetSelectedWebContents()->GetRenderViewHost(),
       std::wstring(),
       L"reloadPDF();"));
   observer.Wait();
 
   ASSERT_EQ("success", browser()->GetSelectedWebContents()->GetURL().query());
 }
 
 }  // namespace