[SyzyAsan] Enable Crashpad reporter as a 50/50 experiment.

syzygy/agent/asan/runtime.h

 // Copyright 2012 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 201 matching lines @@
   //     provided error_info.
   void WriteCorruptHeapInfo(
       const HeapChecker::CorruptRangesVector& corrupt_ranges,
       size_t buffer_size,
       void* buffer,
       AsanErrorInfo* error_info);
 
   // Logs information about an Asan error.
   void LogAsanErrorInfo(AsanErrorInfo* error_info);
 
-  // @returns a value describing the state of the features that can be randomly
-  //     enabled or disabled.
-  AsanFeatureSet GenerateRandomFeatureSet();
-
   // Randomly enable some features.
   // @param feature_set The feature set indicating the features to update.
   void PropagateFeatureSet(AsanFeatureSet feature_set);
 
   // The heap manager.
   std::unique_ptr<heap_managers::BlockHeapManager>
       heap_manager_;  // Under lock_.
 
  private:
   // Sets up the shadow memory.
@@ skipping 91 matching lines @@
   // is available.
   std::unique_ptr<ReporterInterface> crash_reporter_;
 
   DISALLOW_COPY_AND_ASSIGN(AsanRuntime);
 };
 
 }  // namespace asan
 }  // namespace agent
 
 #endif  // SYZYGY_AGENT_ASAN_RUNTIME_H_