Modify crash-reporter to collect crash information for unofficial builds.

crash_collector.h

Index: crash_collector.h
diff --git a/crash_collector.h b/crash_collector.h
index 3c09e2fdfe435ab1886e2cf990dc1fef8fc79a2b..28503a12b304e21de362f7a9e8538eb39beb3025 100644
--- a/crash_collector.h
+++ b/crash_collector.h
@@ -131,6 +131,9 @@ class CrashCollector {
                           const std::string &exec_name,
                           const std::string &payload_path);
 
+  // Returns true if the a crash test is currently running.
+  bool IsCrashTestInProgress();
+
   CountCrashFunction count_crash_function_;
   IsFeedbackAllowedFunction is_feedback_allowed_function_;
   std::string extra_metadata_;