Improve performance of GeometryMapper cache.

third_party/WebKit/Source/platform/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/public/public_features.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 954 matching lines @@
     "graphics/paint/EffectPaintPropertyNode.h",
     "graphics/paint/FilterDisplayItem.cpp",
     "graphics/paint/FilterDisplayItem.h",
     "graphics/paint/FloatClipDisplayItem.cpp",
     "graphics/paint/FloatClipDisplayItem.h",
     "graphics/paint/FloatClipRect.h",
     "graphics/paint/ForeignLayerDisplayItem.cpp",
     "graphics/paint/ForeignLayerDisplayItem.h",
     "graphics/paint/GeometryMapper.cpp",
     "graphics/paint/GeometryMapper.h",
+    "graphics/paint/GeometryMapperClipCache.cpp",
+    "graphics/paint/GeometryMapperClipCache.h",
+    "graphics/paint/GeometryMapperTransformCache.cpp",
+    "graphics/paint/GeometryMapperTransformCache.h",
     "graphics/paint/PaintArtifact.cpp",
     "graphics/paint/PaintArtifact.h",
     "graphics/paint/PaintCanvas.h",
     "graphics/paint/PaintChunk.h",
     "graphics/paint/PaintChunkProperties.h",
     "graphics/paint/PaintChunker.cpp",
     "graphics/paint/PaintChunker.h",
     "graphics/paint/PaintController.cpp",
     "graphics/paint/PaintController.h",
     "graphics/paint/PaintFlags.h",
@@ skipping 1082 matching lines @@
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }