Increase number of enqueued crash files, sending rate, and fix minor bug.

Up to 32 crashes per spool and 32 sends per day.

BUG=6355,6782

Change-Id: I99e86265c035ad62937aa135467681be8ef70f9a

TEST=UserCrash and CrashSender

Review URL: http://codereview.chromium.org/3414006
diff --git a/crash_reporter/crash_collector.cc b/crash_reporter/crash_collector.cc
index 0194fc4..f2f5146 100644
--- a/crash_reporter/crash_collector.cc
+++ b/crash_reporter/crash_collector.cc
@@ -26,8 +26,15 @@
 static const uid_t kRootOwner = 0;
 static const uid_t kRootGroup = 0;
 
-// Maximum of 8 crash reports per directory.
-const int CrashCollector::kMaxCrashDirectorySize = 8;
+// Maximum crash reports per crash spool directory.  Note that this is
+// a separate maximum from the maximum rate at which we upload these
+// diagnostics.  The higher this rate is, the more space we allow for
+// core files, minidumps, and kcrash logs, and equivalently the more
+// processor and I/O bandwidth we dedicate to handling these crashes when
+// many occur at once.  Also note that if core files are configured to
+// be left on the file system, we stop adding crashes when either the
+// number of core files or minidumps reaches this number.
+const int CrashCollector::kMaxCrashDirectorySize = 32;
 
 CrashCollector::CrashCollector() : forced_crash_directory_(NULL) {
 }