Do not send pings for anchor elements in MHTML pages

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

Index: third_party/WebKit/Source/web/tests/WebFrameSerializerTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebFrameSerializerTest.cpp b/third_party/WebKit/Source/web/tests/WebFrameSerializerTest.cpp
index 3e5f9fa90347671ed5c172a2ad16d2f2eb1a1cb9..e4e4606f31fec1ac9c406a9fcf1827353ee5e9c5 100644
--- a/third_party/WebKit/Source/web/tests/WebFrameSerializerTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebFrameSerializerTest.cpp
@@ -303,6 +303,12 @@ TEST_F(WebFrameSerializerSanitizationTest, RemoveInlineScriptInAttributes) {
   EXPECT_NE(WTF::kNotFound, mhtml.Find("src="));
 }
 
+TEST_F(WebFrameSerializerSanitizationTest, RemoveOtherAttributes) {
+  String mhtml =
+      GenerateMHTMLFromHtml("http://www.test.com", "remove_attributes.html");
+  EXPECT_EQ(WTF::kNotFound, mhtml.Find("ping="));
+}
+
 TEST_F(WebFrameSerializerSanitizationTest, DisableFormElements) {
   String mhtml = GenerateMHTMLFromHtml("http://www.test.com", "form.html");