[Media,Remoting] Remove the disable remoting button on Android

third_party/WebKit/Source/core/html/shadow/MediaRemotingInterstitial.cpp

 // Copyright 2017 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/html/shadow/MediaRemotingInterstitial.h"
 
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLVideoElement.h"
 #include "core/html/shadow/MediaRemotingElements.h"
+#include "platform/RuntimeEnabledFeatures.h"
 
 namespace {
 
 constexpr double kStyleChangeTransSeconds = 0.2;
 constexpr double kHiddenAnimationSeconds = 0.3;
 
 }  // namespace
 
 namespace blink {
 
@@ skipping 12 matching lines @@
       AtomicString("-internal-media-remoting-background-image"));
   background_image_->SetSrc(videoElement.getAttribute(HTMLNames::posterAttr));
   AppendChild(background_image_);
 
   cast_icon_ = new MediaRemotingCastIconElement(*this);
   AppendChild(cast_icon_);
 
   cast_text_message_ = new MediaRemotingCastMessageElement(*this);
   AppendChild(cast_text_message_);
 
-  exit_button_ = new MediaRemotingExitButtonElement(*this);
-  AppendChild(exit_button_);
+  if (!RuntimeEnabledFeatures::newRemotePlaybackPipelineEnabled()) {
+    exit_button_ = new MediaRemotingExitButtonElement(*this);
+    AppendChild(exit_button_);
+  }
 }
 
 void MediaRemotingInterstitial::Show() {
   DCHECK(!should_be_visible_);
   if (toggle_insterstitial_timer_.IsActive())
     toggle_insterstitial_timer_.Stop();
   should_be_visible_ = true;
   RemoveInlineStyleProperty(CSSPropertyDisplay);
-  exit_button_->OnShown();
+  if (exit_button_)
+    exit_button_->OnShown();
   toggle_insterstitial_timer_.StartOneShot(kStyleChangeTransSeconds,
                                            BLINK_FROM_HERE);
 }
 
 void MediaRemotingInterstitial::Hide() {
   DCHECK(should_be_visible_);
   if (toggle_insterstitial_timer_.IsActive())
     toggle_insterstitial_timer_.Stop();
   should_be_visible_ = false;
   SetInlineStyleProperty(CSSPropertyOpacity, 0,
                          CSSPrimitiveValue::UnitType::kNumber);
-  exit_button_->OnHidden();
+  if (exit_button_)
+    exit_button_->OnHidden();
   toggle_insterstitial_timer_.StartOneShot(kHiddenAnimationSeconds,
                                            BLINK_FROM_HERE);
 }
 
 void MediaRemotingInterstitial::ToggleInterstitialTimerFired(TimerBase*) {
   toggle_insterstitial_timer_.Stop();
   if (should_be_visible_) {
     SetInlineStyleProperty(CSSPropertyOpacity, 1,
                            CSSPrimitiveValue::UnitType::kNumber);
   } else {
@@ skipping 16 matching lines @@
 DEFINE_TRACE(MediaRemotingInterstitial) {
   visitor->Trace(video_element_);
   visitor->Trace(background_image_);
   visitor->Trace(exit_button_);
   visitor->Trace(cast_icon_);
   visitor->Trace(cast_text_message_);
   HTMLDivElement::Trace(visitor);
 }
 
 }  // namespace blink