Loading: move core/fetch to platform/loader/fetch

third_party/WebKit/Source/core/fetch/ClientHintsPreferences.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/fetch/ClientHintsPreferences.h"
-
-#include "platform/RuntimeEnabledFeatures.h"
-#include "platform/network/HTTPParsers.h"
-
-namespace blink {
-
-ClientHintsPreferences::ClientHintsPreferences()
-    : m_shouldSendDPR(false),
-      m_shouldSendResourceWidth(false),
-      m_shouldSendViewportWidth(false) {}
-
-void ClientHintsPreferences::updateFrom(
-    const ClientHintsPreferences& preferences) {
-  m_shouldSendDPR = preferences.m_shouldSendDPR;
-  m_shouldSendResourceWidth = preferences.m_shouldSendResourceWidth;
-  m_shouldSendViewportWidth = preferences.m_shouldSendViewportWidth;
-}
-
-void ClientHintsPreferences::updateFromAcceptClientHintsHeader(
-    const String& headerValue,
-    Context* context) {
-  if (!RuntimeEnabledFeatures::clientHintsEnabled() || headerValue.isEmpty())
-    return;
-
-  CommaDelimitedHeaderSet acceptClientHintsHeader;
-  parseCommaDelimitedHeader(headerValue, acceptClientHintsHeader);
-  if (acceptClientHintsHeader.contains("dpr")) {
-    if (context)
-      context->countClientHintsDPR();
-    m_shouldSendDPR = true;
-  }
-
-  if (acceptClientHintsHeader.contains("width")) {
-    if (context)
-      context->countClientHintsResourceWidth();
-    m_shouldSendResourceWidth = true;
-  }
-
-  if (acceptClientHintsHeader.contains("viewport-width")) {
-    if (context)
-      context->countClientHintsViewportWidth();
-    m_shouldSendViewportWidth = true;
-  }
-}
-
-}  // namespace blink