Add more detail to same-origin attribution indicating self|ancestor|descendant

third_party/WebKit/Source/core/timing/PerformanceTest.cpp

 // Copyright 2016 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 "core/timing/Performance.h"
 
 #include "core/frame/PerformanceMonitor.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 63 matching lines @@
   removeLongTaskObserver();
   m_performance->updateLongTaskInstrumentation();
   EXPECT_FALSE(observingLongTasks());
 }
 
 TEST_F(PerformanceTest, SanitizedLongTaskName) {
   // Unable to attribute, when no execution contents are available.
   EXPECT_EQ("unknown", sanitizedAttribution(nullptr, false, frame()));
 
   // Attribute for same context (and same origin).
-  EXPECT_EQ("same-origin", sanitizedAttribution(document(), false, frame()));
+  EXPECT_EQ("same-origin-self",
+            sanitizedAttribution(document(), false, frame()));
 
   // Unable to attribute, when multiple script execution contents are involved.
   EXPECT_EQ("multiple-contexts",
             sanitizedAttribution(document(), true, frame()));
 }
 
 TEST_F(PerformanceTest, SanitizedLongTaskName_CrossOrigin) {
   // Unable to attribute, when no execution contents are available.
   EXPECT_EQ("unknown", sanitizedAttribution(nullptr, false, frame()));
 
   // Attribute for same context (and same origin).
   EXPECT_EQ("cross-origin-unreachable",
             sanitizedAttribution(anotherDocument(), false, frame()));
 }
 }