Aura: Browser-side changes for Composite-To-Mailbox

cc/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 "cc/switches.h"
 
 namespace cc {
 namespace switches {
 
 // On platforms where checkerboards are used, prefer background colors instead
@@ skipping 42 matching lines @@
 const char kShowOccludingRects[] = "show-occluding-rects";
 
 // Show rects in the HUD wherever something is not known to be drawn opaque and
 // is not considered to be occluding the pixels behind it.
 const char kShowNonOccludingRects[] = "show-nonoccluding-rects";
 
 // Show metrics about overdraw in about:tracing recordings, such as the number
 // of pixels culled, and the number of pixels drawn, for each frame.
 const char kTraceOverdraw[] = "trace-overdraw";
 
+// Causes the compositor to render to textures which are then sent to the parent
+// through the texture mailbox mechanism. Requires kEnableCompositorFrameMessage.
+const char kCompositeToMailbox[] = "composite-to-mailbox";
+
 }  // namespace switches
 }  // namespace cc