Rename Supplement::host() to Supplement::supplementable()

third_party/WebKit/Source/core/dom/DocumentParserTiming.cpp

 // Copyright 2015 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/dom/DocumentParserTiming.h"
 
 #include "core/dom/Document.h"
 #include "core/loader/DocumentLoader.h"
 #include "platform/instrumentation/tracing/TraceEvent.h"
 
@@ skipping 54 matching lines @@
 }
 
 DEFINE_TRACE(DocumentParserTiming) {
   Supplement<Document>::trace(visitor);
 }
 
 DocumentParserTiming::DocumentParserTiming(Document& document)
     : Supplement<Document>(document) {}
 
 void DocumentParserTiming::notifyDocumentParserTimingChanged() {
-  if (host()->loader())
-    host()->loader()->didChangePerformanceTiming();
+  if (supplementable()->loader())
+    supplementable()->loader()->didChangePerformanceTiming();
 }
 
 }  // namespace blink