Improving canvas 2D performance by switching graphics rendering pipeline.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 62686c60dfb5e3458547ad0a388a02e017cb6d9a..25e0ba146c792dfef205f89ff1d8dffa2c3b93da 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -650,6 +650,10 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_FLAGS_DISPLAY_LIST_2D_CANVAS_DESCRIPTION, kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableDisplayList2dCanvas,
                                switches::kDisableDisplayList2dCanvas)},
+    {"enable-canvas-2d-dynamic-pipeline-mode",
+     IDS_FLAGS_ENABLE_2D_CANVAS_DYNAMIC_PIPELINE_MODE_NAME,
+     IDS_FLAGS_ENABLE_2D_CANVAS_DYNAMIC_PIPELINE_MODE_DESCRIPTION, kOsAll,
+     SINGLE_VALUE_TYPE(switches::kEnableCanvas2dDynamicPipelineMode)},
     {"composited-layer-borders", IDS_FLAGS_COMPOSITED_LAYER_BORDERS,
      IDS_FLAGS_COMPOSITED_LAYER_BORDERS_DESCRIPTION, kOsAll,
      SINGLE_VALUE_TYPE(cc::switches::kShowCompositedLayerBorders)},