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

third_party/boringssl/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/android/config.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build_overrides/build.gni")
 import("//testing/libfuzzer/fuzzer_test.gni")
 import("BUILD.generated.gni")
 import("BUILD.generated_tests.gni")
@@ skipping 122 matching lines @@
     configs = [
       ":internal_config",
       "//build/config/compiler:no_chromium_code",
     ]
     deps = [
       ":boringssl",
       "//build/win:default_exe_manifest",
     ]
   }
 
-  test("boringssl_unittests") {
-    deps = [
-      ":boringssl_tests",
-      "//base",
-      "//base/test:run_all_unittests",
-      "//base/test:test_support",
-      "//testing/gtest",
-    ]
-    sources = [
-      "boringssl_unittest.cc",
-    ]
+  if (!is_ios) {
+    test("boringssl_unittests") {
+      deps = [
+        ":boringssl_tests",
+        "//base",
+        "//base/test:run_all_unittests",
+        "//base/test:test_support",
+        "//testing/gtest",
+      ]
+      sources = [
+        "boringssl_unittest.cc",
+      ]
+    }
   }
 
   # The same as boringssl, but builds with BORINGSSL_UNSAFE_FUZZER_MODE.
   component("boringssl_fuzzer") {
     visibility = [ ":*" ]  # Only targets in this file can depend on this.
 
     sources = all_sources
     deps = [
       ":boringssl_asm",
     ]
@@ skipping 31 matching lines @@
       } else if ("privkey" == fuzzer) {
         libfuzzer_options = [ "max_len=2048" ]
       } else if ("server" == fuzzer) {
         libfuzzer_options = [ "max_len=4096" ]
       } else if ("spki" == fuzzer) {
         libfuzzer_options = [ "max_len=1024" ]
       }
     }
   }
 }