Removing canvas rendering mode switching feature

chrome/browser/about_flags.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 "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1077 matching lines @@
      SINGLE_VALUE_TYPE(switches::kEnableExperimentalCanvasFeatures)},
     {"disable-accelerated-2d-canvas",
      flag_descriptions::kAccelerated2dCanvasName,
      flag_descriptions::kAccelerated2dCanvasDescription, kOsAll,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAccelerated2dCanvas)},
     {"enable-display-list-2d-canvas",
      flag_descriptions::kDisplayList2dCanvasName,
      flag_descriptions::kDisplayList2dCanvasDescription, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableDisplayList2dCanvas,
                                switches::kDisableDisplayList2dCanvas)},
-    {"enable-canvas-2d-dynamic-rendering-mode-switching",
-     flag_descriptions::kEnable2dCanvasDynamicRenderingModeSwitchingName,
-     flag_descriptions::kEnable2dCanvasDynamicRenderingModeSwitchingDescription,
-     kOsAll,
-     SINGLE_VALUE_TYPE(switches::kEnableCanvas2dDynamicRenderingModeSwitching)},
     {"composited-layer-borders", flag_descriptions::kCompositedLayerBordersName,
      flag_descriptions::kCompositedLayerBordersDescription, kOsAll,
      SINGLE_VALUE_TYPE(cc::switches::kShowCompositedLayerBorders)},
     {"gl-composited-texture-quad-borders",
      flag_descriptions::kGlCompositedTextureQuadBordersName,
      flag_descriptions::kGlCompositedTextureQuadBordersDescription, kOsAll,
      SINGLE_VALUE_TYPE(cc::switches::kGlCompositedTextureQuadBorder)},
     {"show-overdraw-feedback", flag_descriptions::kShowOverdrawFeedbackName,
      flag_descriptions::kShowOverdrawFeedbackDescription, kOsAll,
      SINGLE_VALUE_TYPE(cc::switches::kShowOverdrawFeedback)},
@@ skipping 2105 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags