Remove many features when building product mode

runtime/vm/json_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 #include "platform/text_buffer.h"
 #include "vm/json_stream.h"
 #include "vm/unit_test.h"
 #include "vm/dart_api_impl.h"
 
 namespace dart {
 
+#ifndef PRODUCT
 
 TEST_CASE(JSON_TextBuffer) {
   TextBuffer w(5);  // Small enough to make buffer grow at least once.
   w.Printf("{ \"%s\" : %d", "length", 175);
   EXPECT_STREQ("{ \"length\" : 175", w.buf());
   w.Printf(", \"%s\" : \"%s\" }", "command", "stopIt");
   EXPECT_STREQ("{ \"length\" : 175, \"command\" : \"stopIt\" }", w.buf());
 }
 
 
@@ skipping 284 matching lines @@
   EXPECT(js.num_params() == 0);
   js.SetParams(&param_keys[0], &param_values[0], 2);
   EXPECT(js.num_params() == 2);
   EXPECT(!js.HasParam("lizard"));
   EXPECT(js.HasParam("dog"));
   EXPECT(js.HasParam("cat"));
   EXPECT(js.ParamIs("cat", "banana"));
   EXPECT(!js.ParamIs("dog", "banana"));
 }
 
+#endif  // !PRODUCT
+
 }  // namespace dart