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

syzygy/agent/asan/reporters/crashpad_reporter.h

 // Copyright 2016 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 12 matching lines @@
 #include "syzygy/agent/asan/reporter.h"
 
 namespace agent {
 namespace asan {
 namespace reporters {
 
 // Implements Crashpad crash reporting integration. Use of this class is not
 // thread safe.
 class CrashpadReporter : public ReporterInterface {
  public:
+  // The name of this reporter, as returned by GetName.
+  static const char kName[];
+
   // Factory for a CrashpadReporter. This returns null if the running process
   // does not support Crashpad crash reporting. Support is decided by examining
   // the exports of the running executable, and looking for Crashpad's expected
   // exports.
   // @returns an allocated CrashpadReporter
   static std::unique_ptr<CrashpadReporter> Create();
 
   virtual ~CrashpadReporter() {}
 
   // @name ReporterInterface implementation.
@@ skipping 25 matching lines @@
   std::unique_ptr<crashpad::SimpleStringDictionary> crash_keys_;
 
   DISALLOW_COPY_AND_ASSIGN(CrashpadReporter);
 };
 
 }  // namespace reporters
 }  // namespace asan
 }  // namespace agent
 
 #endif  // SYZYGY_AGENT_ASAN_REPORTERS_CRASHPAD_REPORTER_H_