cc: Add a flag to check for tile priority inversion in AssignGpuMemory.

cc/base/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/base/switches.h"
 
 #include "base/command_line.h"
 
 namespace cc {
 namespace switches {
@@ skipping 39 matching lines @@
 // before operating on them.
 const char kEnableColorCorrectRendering[] = "enable-color-correct-rendering";
 
 // Enables the GPU benchmarking extension
 const char kEnableGpuBenchmarking[] = "enable-gpu-benchmarking";
 
 // Force all rasterization and compositing to be done in linear color space,
 // with physically correct blending and interpolation.
 const char kEnableTrueColorRendering[] = "enable-true-color-rendering";
 
+// Enables CHECKs to ensure that tile priorities are not inverted.
+const char kCheckTilePriorityInversion[] = "check-tile-priority-inversion";
+
 // Renders a border around compositor layers to help debug and study
 // layer compositing.
 const char kShowCompositedLayerBorders[] = "show-composited-layer-borders";
 const char kUIShowCompositedLayerBorders[] = "ui-show-layer-borders";
 
 // Renders a green border around GL composited texture quads to help
 // debug and study overlay support.
 const char kGlCompositedTextureQuadBorder[] =
     "gl-composited-texture-quad-border";
 
@@ skipping 29 matching lines @@
 const char kCCLayerTreeTestNoTimeout[] = "cc-layer-tree-test-no-timeout";
 
 // Increases timeout for memory checkers.
 const char kCCLayerTreeTestLongTimeout[] = "cc-layer-tree-test-long-timeout";
 
 // Makes pixel tests write their output instead of read it.
 const char kCCRebaselinePixeltests[] = "cc-rebaseline-pixeltests";
 
 }  // namespace switches
 }  // namespace cc