Remove newMediaPlaybackUi flag from content/ and Blink.

third_party/WebKit/Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 2185 matching lines @@
 void Internals::mediaPlayerPlayingRemotelyChanged(
     HTMLMediaElement* mediaElement,
     bool remote) {
   ASSERT(mediaElement);
   if (remote)
     mediaElement->connectedToRemoteDevice();
   else
     mediaElement->disconnectedFromRemoteDevice();
 }
 
-void Internals::setAllowHiddenVolumeControls(HTMLMediaElement* mediaElement,
-                                             bool allow) {
-  ASSERT(mediaElement);
-  mediaElement->setAllowHiddenVolumeControls(allow);
-}
-
 void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(
     const String& scheme) {
   SchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(scheme);
 }
 
 void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(
     const String& scheme,
     const Vector<String>& policyAreas) {
   uint32_t policyAreasEnum = SchemeRegistry::PolicyAreaNone;
   for (const auto& policyArea : policyAreas) {
@@ skipping 793 matching lines @@
     return ClientRect::create();
 
   return ClientRect::create(FloatRect(node->layoutObject()->visualRect()));
 }
 
 void Internals::crash() {
   CHECK(false) << "Intentional crash";
 }
 
 }  // namespace blink