crash-reporter: when exe symlink read fails send diags and still ignore chrome crashes

crash_reporter.cc

Index: crash_reporter.cc
diff --git a/crash_reporter.cc b/crash_reporter.cc
index ffe6cdfed17e999ff005fb0efd1b8795af88f418..ab4c5ba3bfe6a8bd590346260ba0c401021743ea 100644
--- a/crash_reporter.cc
+++ b/crash_reporter.cc
@@ -148,10 +148,13 @@ static int HandleUserCrash(UserCollector *user_collector) {
     return 0;
   }
 
+  // Accumulate logs to help in diagnosing failures during user collection.
+  s_system_log.set_accumulating(true);
   // Handle the crash, get the name of the process from procfs.
-  if (!user_collector->HandleCrash(FLAGS_user, NULL)) {
+  bool handled = user_collector->HandleCrash(FLAGS_user, NULL);
+  s_system_log.set_accumulating(false);
+  if (!handled)
     return 1;
-  }
   return 0;
 }