cc: one copy is default as well as final fallback.

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 175 matching lines @@
 // Disables usage of the namespace sandbox.
 const char kDisableNamespaceSandbox[]       = "disable-namespace-sandbox";
 
 // Disables native GPU memory buffer support.
 const char kDisableNativeGpuMemoryBuffers[] =
     "disable-native-gpu-memory-buffers";
 
 // Disables the Web Notification and the Push APIs.
 const char kDisableNotifications[]          = "disable-notifications";
 
-// Disable rasterizer that writes directly to GPU memory.
-const char kDisableOneCopy[]                = "disable-one-copy";
-
 // Disable Pepper3D.
 const char kDisablePepper3d[]               = "disable-pepper-3d";
 
 // Disables the Permissions API.
 const char kDisablePermissionsAPI[]         = "disable-permissions-api";
 
 // Disables compositor-accelerated touch-screen pinch gestures.
 const char kDisablePinch[]                  = "disable-pinch";
 
 // Disable discovering third-party plugins. Effectively loading only
@@ skipping 798 matching lines @@
 // Windows Vista and later.
 const char kTraceExportEventsToETW[] = "trace-export-events-to-etw";
 #endif
 
 // Enables the use of NPAPI plugins.
 const char kEnableNpapiForTesting[] = "enable-npapi-for-testing";
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches