Implement device-ram client hints header

third_party/WebKit/Source/core/loader/private/FrameClientHintsPreferencesContext.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/loader/private/FrameClientHintsPreferencesContext.h"
 
 #include "core/frame/UseCounter.h"
 
 namespace blink {
 
 FrameClientHintsPreferencesContext::FrameClientHintsPreferencesContext(
     LocalFrame* frame)
     : frame_(frame) {}
 
+void FrameClientHintsPreferencesContext::CountClientHintsDeviceRAM() {
+  UseCounter::Count(frame_, UseCounter::kClientHintsDeviceRAM);
+}
+
 void FrameClientHintsPreferencesContext::CountClientHintsDPR() {
   UseCounter::Count(frame_, UseCounter::kClientHintsDPR);
 }
 
 void FrameClientHintsPreferencesContext::CountClientHintsResourceWidth() {
   UseCounter::Count(frame_, UseCounter::kClientHintsResourceWidth);
 }
 
 void FrameClientHintsPreferencesContext::CountClientHintsViewportWidth() {
   UseCounter::Count(frame_, UseCounter::kClientHintsViewportWidth);
 }
 
 }  // namespace blink