Postmortem report collection: validate internal state

base/debug/activity_analyzer.h

 // Copyright 2016 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.
 
 #ifndef BASE_DEBUG_ACTIVITY_ANALYZER_H_
 #define BASE_DEBUG_ACTIVITY_ANALYZER_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 168 matching lines @@
   // Gets all log messages stored within.
   std::vector<std::string> GetLogMessages();
 
   // Gets all the known modules.
   std::vector<GlobalActivityTracker::ModuleInfo> GetModules();
 
   // Gets the corresponding "program location" for a given "program counter".
   // This will return {0,0} if no mapping could be found.
   ProgramLocation GetProgramLocationFromAddress(uint64_t address);
 
+  // Returns whether the data is complete. Data can be incomplete if the
+  // recording size quota is hit.
+  bool IsDataComplete() const;
+
  private:
   using AnalyzerMap =
       std::map<ThreadKey, std::unique_ptr<ThreadActivityAnalyzer>>;
 
   struct UserDataSnapshot {
     // Complex class needs out-of-line ctor/dtor.
     UserDataSnapshot();
     UserDataSnapshot(const UserDataSnapshot& rhs);
     UserDataSnapshot(UserDataSnapshot&& rhs);
     ~UserDataSnapshot();
@@ skipping 34 matching lines @@
   AnalyzerMap::iterator analyzers_iterator_;
   int64_t analyzers_iterator_pid_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalActivityAnalyzer);
 };
 
 }  // namespace debug
 }  // namespace base
 
 #endif  // BASE_DEBUG_ACTIVITY_ANALYZER_H_