Only paste the fragment of text which was copied to the clipboard.

ppapi/tests/test_flash_clipboard.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 "ppapi/tests/test_flash_clipboard.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ppapi/cpp/instance.h"
@@ skipping 78 matching lines @@
 
     PlatformSleep(kIntervalMs);
   }
   return false;
 }
 
 bool TestFlashClipboard::ReadHTMLMatches(const std::string& expected) {
   for (int i = 0; i < kMaxIntervals; ++i) {
     std::string result;
     bool success = ReadStringVar(PP_FLASH_CLIPBOARD_FORMAT_HTML, &result);
-    // Markup is inserted around the copied html, so just check that
-    // the pasted string contains the copied string.
-    if (success && result.find(expected) != std::string::npos)
+    // Harmless markup may be inserted around the copied html on some
+    // platforms, so just check that the pasted string contains the
+    // copied string. Also check that we only paste the copied fragment, see
+    // http://code.google.com/p/chromium/issues/detail?id=130827.
+    if (success && result.find(expected) != std::string::npos &&
+        result.find("<!--StartFragment-->") == std::string::npos &&
+        result.find("<!--EndFragment-->") == std::string::npos) {
       return true;
+    }
 
     PlatformSleep(kIntervalMs);
   }
   return false;
 }
 
 std::string TestFlashClipboard::TestReadWritePlainText() {
   std::string input = "Hello world plain text!";
   ASSERT_TRUE(WriteStringVar(PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT, input));
   ASSERT_TRUE(IsFormatAvailableMatches(PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT,
@@ skipping 89 matching lines @@
 std::string TestFlashClipboard::TestInvalidFormat() {
   PP_Flash_Clipboard_Format invalid_format =
       static_cast<PP_Flash_Clipboard_Format>(-1);
   ASSERT_FALSE(WriteStringVar(invalid_format, "text"));
   ASSERT_TRUE(IsFormatAvailableMatches(invalid_format, false));
   std::string unused;
   ASSERT_FALSE(ReadStringVar(invalid_format, &unused));
 
   PASS();
 }