Remove the legacy fullscreen video path in Android.

content/public/common/content_switches.cc

 // Copyright (c) 2012 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 "content/public/common/content_switches.h"
 
 #include "base/command_line.h"
 
 namespace switches {
 
@@ skipping 362 matching lines @@
 
 // Enables the network information API.
 const char kEnableNetworkInformation[]      = "enable-network-information";
 
 // Enable rasterizer that writes directly to GPU memory.
 const char kEnableOneCopy[]                 = "enable-one-copy";
 
 // Enables use of hardware overlay for fullscreen video playback. Android only.
 const char kEnableOverlayFullscreenVideo[]  = "enable-overlay-fullscreen-video";
 
-// Disables blink subtitle and media control on top of overlay fullscreen video.
-const char kDisableOverlayFullscreenVideoSubtitle[] =
-    "disable-overlay-fullscreen-video-subtitle";
-
 // Forward overscroll event data from the renderer to the browser.
 const char kEnableOverscrollNotifications[] = "enable-overscroll-notifications";
 
 // Enables compositor-accelerated touch-screen pinch gestures.
 const char kEnablePinch[]                   = "enable-pinch";
 
 // Make the values returned to window.performance.memory more granular and more
 // up to date in shared worker. Without this flag, the memory information is
 // still available, but it is bucketized and updated less frequently. This flag
 // also applys to workers.
@@ skipping 552 matching lines @@
 // Enable the Win32K process mitigation policy for renderer processes which
 // prevents them from invoking user32 and gdi32 system calls which enter
 // the kernel. This is only supported on Windows 8 and beyond.
 const char kEnableWin32kRendererLockDown[]
     = "enable_win32k_renderer_lockdown";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches