Remove many features when building product mode

runtime/vm/timeline_test.cc

 // Copyright (c) 2015, 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 <cstring>
 
 #include "platform/assert.h"
 
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/globals.h"
 #include "vm/timeline.h"
 #include "vm/timeline_analysis.h"
 #include "vm/unit_test.h"
 
 namespace dart {
 
+#ifndef PRODUCT
+
 class TimelineRecorderOverride : public ValueObject {
  public:
   explicit TimelineRecorderOverride(TimelineEventRecorder* new_recorder)
       : recorder_(Timeline::recorder()) {
     Timeline::recorder_ = new_recorder;
   }
 
   ~TimelineRecorderOverride() {
     Timeline::recorder_ = recorder_;
   }
@@ skipping 819 matching lines @@
 
   {
     TimelinePauses pauses(zone, isolate, recorder);
     pauses.Setup();
     pauses.CalculatePauseTimesForThread(tid);
     EXPECT(pauses.has_error());
   }
   TimelineTestHelper::Clear(recorder);
 }
 
+#endif  // !PRODUCT
+
 }  // namespace dart