Convert force video overlay to preference

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"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
 // have an effect. 0 disables MSAA.
@@ skipping 901 matching lines @@
 
 // Disable overscroll edge effects like those found in Android views.
 const char kDisableOverscrollEdgeEffect[]   = "disable-overscroll-edge-effect";
 
 // Disable the pull-to-refresh effect when vertically overscrolling content.
 const char kDisablePullToRefreshEffect[]   = "disable-pull-to-refresh-effect";
 
 // WebRTC is enabled by default on Android.
 const char kDisableWebRTC[]                 = "disable-webrtc";
 
-// Always use the video overlay for the embedded video.
-// This switch is intended only for tests.
-const char kForceUseOverlayEmbeddedVideo[] = "force-use-overlay-embedded-video";
-
 // The telephony region (ISO country code) to use in phone number detection.
 const char kNetworkCountryIso[] = "network-country-iso";
 
 // Enables remote debug over HTTP on the specified socket name.
 const char kRemoteDebuggingSocketName[]     = "remote-debugging-socket-name";
 
 // Block ChildProcessMain thread of the renderer's ChildProcessService until a
 // Java debugger is attached.
 const char kRendererWaitForJavaDebugger[] = "renderer-wait-for-java-debugger";
 #endif
@@ skipping 49 matching lines @@
 const char kEnableNpapi[]                   = "enable-npapi";
 
 #if defined(ENABLE_PLUGINS)
 // Enables the plugin power saver feature.
 const char kEnablePluginPowerSaver[] = "enable-plugin-power-saver";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches