Removed unused code in skia/ext/vector_*.

skia/BUILD.gn

Index: skia/BUILD.gn
diff --git a/skia/BUILD.gn b/skia/BUILD.gn
index 87f18316fda04bd157ebc0cbc9a223d1a6879f84..e55730f8d486373dd6546f1c1c62fc3295f88244 100644
--- a/skia/BUILD.gn
+++ b/skia/BUILD.gn
@@ -332,9 +332,6 @@ component("skia") {
     "ext/skia_utils_mac.h",
     "ext/skia_utils_win.cc",
     "ext/skia_utils_win.h",
-    "ext/vector_canvas.h",
-    "ext/vector_platform_device_emf_win.cc",
-    "ext/vector_platform_device_emf_win.h",
   ]
 
   # The skia gypi values are relative to the skia_dir, so we need to rebase.
@@ -646,13 +643,8 @@ test("skia_unittests") {
     "ext/refptr_unittest.cc",
     "ext/skia_utils_ios_unittest.mm",
     "ext/skia_utils_mac_unittest.mm",
-    "ext/vector_canvas_unittest.cc",
   ]
 
-  if (!is_win) {
-    sources -= [ "ext/vector_canvas_unittest.cc" ]
-  }
-
   if (!is_win && !is_mac) {
     sources -= [ "ext/platform_canvas_unittest.cc" ]
   }