Do not serialize meta element containing Content-Security-Policy

third_party/WebKit/Source/web/tests/WebFrameSerializerTest.cpp

 /*
  * Copyright (C) 2011 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 350 matching lines @@
   webView()->resize(WebSize(500, 500));
   setRemovePopupOverlay(false);
   String mhtml = generateMHTMLParts("http://www.test.com", "popup.html");
   EXPECT_NE(WTF::kNotFound, mhtml.find("class=3D\"overlay"));
   EXPECT_NE(WTF::kNotFound, mhtml.find("class=3D\"modal"));
 }
 
 TEST_F(WebFrameSerializerSanitizationTest, RemoveElements) {
   String mhtml =
       generateMHTMLParts("http://www.test.com", "remove_elements.html");
+  LOG(ERROR) << mhtml;
 
   EXPECT_EQ(WTF::kNotFound, mhtml.find("<script"));
   EXPECT_EQ(WTF::kNotFound, mhtml.find("<noscript"));
 
+  // Only the meta element containing "Content-Security-Policy" is removed.
+  // Other meta elements should be preserved.
+  EXPECT_EQ(WTF::kNotFound,
+            mhtml.find("<meta http-equiv=3D\"Content-Security-Policy"));
+  EXPECT_NE(WTF::kNotFound, mhtml.find("<meta name=3D\"description"));
+  EXPECT_NE(WTF::kNotFound, mhtml.find("<meta http-equiv=3D\"refresh"));
+
   // If an element is removed, its children should also be skipped.
   EXPECT_EQ(WTF::kNotFound, mhtml.find("<select"));
   EXPECT_EQ(WTF::kNotFound, mhtml.find("<option"));
 }
 
 }  // namespace blink