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

mojo/public/cpp/bindings/tests/BUILD.gn

Index: mojo/public/cpp/bindings/tests/BUILD.gn
diff --git a/mojo/public/cpp/bindings/tests/BUILD.gn b/mojo/public/cpp/bindings/tests/BUILD.gn
index 774cb946b2b5406cdb7094203e92c6ad69cf4e86..63915724f943a1153d6d62c92d7dc36d90383e9f 100644
--- a/mojo/public/cpp/bindings/tests/BUILD.gn
+++ b/mojo/public/cpp/bindings/tests/BUILD.gn
@@ -73,27 +73,29 @@ source_set("tests") {
   }
 }
 
-source_set("for_blink_tests") {
-  testonly = true
-
-  sources = [
-    "array_common_test.h",
-    "container_test_util.cc",
-    "container_test_util.h",
-    "variant_test_util.h",
-    "wtf_array_unittest.cc",
-    "wtf_types_unittest.cc",
-  ]
+if (!is_ios) {
+  source_set("for_blink_tests") {
+    testonly = true
+
+    sources = [
+      "array_common_test.h",
+      "container_test_util.cc",
+      "container_test_util.h",
+      "variant_test_util.h",
+      "wtf_array_unittest.cc",
+      "wtf_types_unittest.cc",
+    ]
 
-  deps = [
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/bindings:callback",
-    "//mojo/public/cpp/system",
-    "//mojo/public/interfaces/bindings/tests:test_interfaces",
-    "//mojo/public/interfaces/bindings/tests:test_wtf_types",
-    "//mojo/public/interfaces/bindings/tests:test_wtf_types_blink",
-    "//testing/gtest",
-  ]
+    deps = [
+      "//mojo/public/cpp/bindings",
+      "//mojo/public/cpp/bindings:callback",
+      "//mojo/public/cpp/system",
+      "//mojo/public/interfaces/bindings/tests:test_interfaces",
+      "//mojo/public/interfaces/bindings/tests:test_wtf_types",
+      "//mojo/public/interfaces/bindings/tests:test_wtf_types_blink",
+      "//testing/gtest",
+    ]
+  }
 }
 
 source_set("struct_with_traits_impl") {
@@ -112,9 +114,12 @@ source_set("perftests") {
 
   sources = [
     "bindings_perftest.cc",
-    "e2e_perftest.cc",
   ]
 
+  if (!is_ios) {
+    sources += [ "e2e_perftest.cc" ]
+  }
+
   deps = [
     "//base/test:test_support",
     "//mojo/edk/test:test_support",