cc: Visualize non-occluding rects in composited layers.

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 26 matching lines @@
 const char kShowScreenSpaceRects[] = "show-screenspace-rects";
 
 // Show rects in the HUD around the screen-space transformed bounds of every
 // layer's replica, when they have one.
 const char kShowReplicaScreenSpaceRects[] = "show-replica-screenspace-rects";
 
 // Show rects in the HUD wherever something is known to be drawn opaque and is
 // considered occluding the pixels behind it.
 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";
 
 }  // namespace switches
 }  // namespace cc