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

third_party/WebKit/Source/core/paint/PaintTiming.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/paint/PaintTiming.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 105 matching lines @@
 DEFINE_TRACE(PaintTiming) {
   visitor->trace(m_fmpDetector);
   Supplement<Document>::trace(visitor);
 }
 
 PaintTiming::PaintTiming(Document& document)
     : Supplement<Document>(document),
       m_fmpDetector(new FirstMeaningfulPaintDetector(this)) {}
 
 LocalFrame* PaintTiming::frame() const {
-  return host()->frame();
+  return supplementable()->frame();
 }
 
 void PaintTiming::notifyPaintTimingChanged() {
-  if (host()->loader())
-    host()->loader()->didChangePerformanceTiming();
+  if (supplementable()->loader())
+    supplementable()->loader()->didChangePerformanceTiming();
 }
 
 void PaintTiming::setFirstPaint(double stamp) {
   if (m_firstPaint != 0.0)
     return;
   m_firstPaint = stamp;
   Performance* performance = getPerformanceInstance(frame());
   if (performance)
     performance->addFirstPaintTiming(m_firstPaint);
 
   TRACE_EVENT_INSTANT1("blink.user_timing,rail", "firstPaint",
                        TRACE_EVENT_SCOPE_PROCESS, "frame", frame());
 }
 
 void PaintTiming::setFirstContentfulPaint(double stamp) {
   if (m_firstContentfulPaint != 0.0)
     return;
   setFirstPaint(stamp);
   m_firstContentfulPaint = stamp;
   Performance* performance = getPerformanceInstance(frame());
   if (performance)
     performance->addFirstContentfulPaintTiming(m_firstContentfulPaint);
   TRACE_EVENT_INSTANT1("blink.user_timing,rail", "firstContentfulPaint",
                        TRACE_EVENT_SCOPE_PROCESS, "frame", frame());
 }
 
 }  // namespace blink