Address more TOOD(GYP) in GN build.

skia/BUILD.gn

Index: skia/BUILD.gn
diff --git a/skia/BUILD.gn b/skia/BUILD.gn
index a5872a7563503637622ac2d575af13d68e89020e..653d433c0415014352e6b30c1e058f49d9e15070 100644
--- a/skia/BUILD.gn
+++ b/skia/BUILD.gn
@@ -697,31 +697,28 @@ test("skia_unittests") {
   }
 }
 
-if (is_linux && !is_chromeos) {
-  # TODO(GYP): Figure out which of these work and are needed on other platforms.
-  executable("image_operations_bench") {
-    sources = [
-      "ext/image_operations_bench.cc",
-    ]
+executable("image_operations_bench") {
+  sources = [
+    "ext/image_operations_bench.cc",
+  ]
 
-    deps = [
-      ":skia",
-      "//base",
-      "//build/config/sanitizers:deps",
-    ]
-  }
+  deps = [
+    ":skia",
+    "//base",
+    "//build/config/sanitizers:deps",
+  ]
+}
 
-  executable("filter_fuzz_stub") {
-    testonly = true
-    sources = [
-      "tools/filter_fuzz_stub/filter_fuzz_stub.cc",
-    ]
+executable("filter_fuzz_stub") {
+  testonly = true
+  sources = [
+    "tools/filter_fuzz_stub/filter_fuzz_stub.cc",
+  ]
 
-    deps = [
-      ":skia",
-      "//base",
-      "//base/test:test_support",
-      "//build/config/sanitizers:deps",
-    ]
-  }
+  deps = [
+    ":skia",
+    "//base",
+    "//base/test:test_support",
+    "//build/config/sanitizers:deps",
+  ]
 }