Dart: Better handle leak checks. close() is async.

mojo/dart/embedder/test/validation_unittest.cc

 // Copyright 2015 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.
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 43 matching lines @@
 
   // Read in the source.
   std::string source;
   EXPECT_TRUE(ReadFileToString(path, &source)) << "Failed to read test file";
 
   // Setup the package root.
   base::FilePath package_root;
   PathService::Get(base::DIR_EXE, &package_root);
   package_root = package_root.AppendASCII("gen");
 
-  // All tests run with these arguments.
-  const int kNumArgs = 3;
-  const char* args[kNumArgs];
-  args[0] = "--enable_asserts";
-  args[1] = "--enable_type_checks";
-  args[2] = "--error_on_bad_type";
-
   char* error = NULL;
   bool unhandled_exception = false;
   DartControllerConfig config;
   config.script = source;
+#if defined(DEBUG)
+  config.strict_compilation = true;
+#else
+  config.strict_compilation = false;
+#endif
   config.script_uri = test;
   config.package_root = package_root.AsUTF8Unsafe();
   config.application_data = nullptr;
   config.callbacks.exception =
       base::Bind(&exceptionCallback, &unhandled_exception);
   config.entropy = generateEntropy;
-  config.arguments = args;
-  config.arguments_count = kNumArgs;
+  config.arguments = nullptr;
+  config.arguments_count = 0;
   config.handle = MOJO_HANDLE_INVALID;
   config.compile_all = false;
   config.error = &error;
 
   bool success = DartController::RunSingleDartScript(config);
   EXPECT_TRUE(success) << error;
   EXPECT_FALSE(unhandled_exception);
 }
 
 TEST(DartTest, validation) {
   RunTest(GetPath());
 }
 
 }  // namespace
 }  // namespace dart
 }  // namespace mojo