Don't show media controls when there is a persistent video.

third_party/WebKit/Source/core/html/shadow/MediaControlsTest.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/html/shadow/MediaControls.h"
 
 #include "core/HTMLNames.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/Document.h"
 #include "core/dom/ElementTraversal.h"
@@ skipping 275 matching lines @@
 
   mediaControls().mediaElement().setBooleanAttribute(
       HTMLNames::disableremoteplaybackAttr, true);
   ASSERT_FALSE(isElementVisible(*castOverlayButton));
 
   mediaControls().mediaElement().setBooleanAttribute(
       HTMLNames::disableremoteplaybackAttr, false);
   ASSERT_TRUE(isElementVisible(*castOverlayButton));
 }
 
+TEST_F(MediaControlsTest, CastOverlayMediaControlsDisabled) {
+  Element* castOverlayButton = getElementByShadowPseudoId(
+      mediaControls(), "-internal-media-controls-overlay-cast-button");
+  ASSERT_NE(nullptr, castOverlayButton);
+
+  EXPECT_FALSE(isElementVisible(*castOverlayButton));
+  simulateRouteAvailabe();
+  EXPECT_TRUE(isElementVisible(*castOverlayButton));
+
+  document().settings()->setMediaControlsEnabled(false);
+  EXPECT_FALSE(isElementVisible(*castOverlayButton));
+
+  document().settings()->setMediaControlsEnabled(true);
+  EXPECT_TRUE(isElementVisible(*castOverlayButton));
+}
+
 TEST_F(MediaControlsTest, KeepControlsVisibleIfOverflowListVisible) {
   Element* overflowList = getElementByShadowPseudoId(
       mediaControls(), "-internal-media-controls-overflow-menu-list");
   ASSERT_NE(nullptr, overflowList);
 
   Element* panel = getElementByShadowPseudoId(mediaControls(),
                                               "-webkit-media-controls-panel");
   ASSERT_NE(nullptr, panel);
 
   mediaControls().mediaElement().setSrc("http://example.com");
   mediaControls().mediaElement().play();
   testing::runPendingTasks();
 
   mediaControls().show();
   mediaControls().toggleOverflowMenu();
   EXPECT_TRUE(isElementVisible(*overflowList));
 
   simulateHideMediaControlsTimerFired();
   EXPECT_TRUE(isElementVisible(*overflowList));
   EXPECT_TRUE(isElementVisible(*panel));
 }
 
 }  // namespace blink