Set active extension IDs for crash reports using the crash key logging system.

base/debug/crash_logging.h

 // Copyright (c) 2012 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_CRASH_LOGGING_H_
 #define BASE_DEBUG_CRASH_LOGGING_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 38 matching lines @@
 
  private:
   std::string key_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedCrashKey);
 };
 
 // Before setting values for a key, all the keys must be registered.
 struct BASE_EXPORT CrashKey {
   // The name of the crash key, used in the above functions.
-  const char* const key_name;
+  const char* key_name;
 
   // The maximum length for a value. If the value is longer than this, it will
   // be truncated. If the value is larger than the |chunk_max_length| passed to
   // InitCrashKeys() but less than this value, it will be split into multiple
   // numbered chunks.
   size_t max_length;
 };
 
 // Before the crash key logging mechanism can be used, all crash keys must be
 // registered with this function. The function returns the amount of space
@@ skipping 25 matching lines @@
     const base::StringPiece& value,
     size_t chunk_max_length);
 
 // Resets the crash key system so it can be reinitialized. For testing only.
 BASE_EXPORT void ResetCrashLoggingForTesting();
 
 }  // namespace debug
 }  // namespace base
 
 #endif  // BASE_DEBUG_CRASH_LOGGING_H_