[iOS/GN] Fix the compilation of "all" on iOS with gn.

skia/BUILD.gn

 # Copyright (c) 2013 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/test.gni")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
@@ skipping 689 matching lines @@
     "//testing/gtest",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
   if (!is_ios) {
     deps += [ "//cc:test_support" ]  # TODO: Fix this test to not depend on cc.
   }
 }
 
-executable("image_operations_bench") {
-  sources = [
-    "ext/image_operations_bench.cc",
-  ]
+if (!is_ios) {
+  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",
+    ]
+
+    deps = [
+      ":skia",
+      "//base",
+      "//base/test:test_support",
+      "//build/config/sanitizers:deps",
+    ]
+  }
 }
-
-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",
-  ]
-}