Increase "log too large" threshold in MetricsService.

components/metrics/metrics_service.cc

Index: components/metrics/metrics_service.cc
===================================================================
--- components/metrics/metrics_service.cc	(revision 278434)
+++ components/metrics/metrics_service.cc	(working copy)
@@ -222,7 +222,7 @@
 // will discard the log, and not try to retransmit it.  We also don't persist
 // the log to the prefs for transmission during the next chrome session if this
 // limit is exceeded.
-const size_t kUploadLogAvoidRetransmitSize = 50000;
+const size_t kUploadLogAvoidRetransmitSize = 100 * 1024;
 
 // Interval, in minutes, between state saves.
 const int kSaveStateIntervalMinutes = 5;