base: Remove the string logging from CHECK().

third_party/cacheinvalidation/src/google/cacheinvalidation/impl/recurring-task.cc

Index: third_party/cacheinvalidation/src/google/cacheinvalidation/impl/recurring-task.cc
diff --git a/third_party/cacheinvalidation/src/google/cacheinvalidation/impl/recurring-task.cc b/third_party/cacheinvalidation/src/google/cacheinvalidation/impl/recurring-task.cc
index 3196c8fa9dbd5b15c3e9a38b190ec6f9c714784c..75869f494f0556e2ec71e01bfc9811b7de4cc65c 100644
--- a/third_party/cacheinvalidation/src/google/cacheinvalidation/impl/recurring-task.cc
+++ b/third_party/cacheinvalidation/src/google/cacheinvalidation/impl/recurring-task.cc
@@ -59,7 +59,8 @@ void RecurringTask::EnsureScheduled(bool is_retry, string debug_reason) {
 }
 
 void RecurringTask::RunTaskAndRescheduleIfNeeded() {
-  CHECK(scheduler_->IsRunningOnThread()) << "Not on scheduler thread";
+  // Not on scheduler thread
+  CHECK(scheduler_->IsRunningOnThread());
   is_scheduled_ = false;
 
   // Run the task. If the task asks for a retry, reschedule it after at a
@@ -67,9 +68,9 @@ void RecurringTask::RunTaskAndRescheduleIfNeeded() {
   if (RunTask()) {
     // The task asked to be rescheduled, so reschedule it after a timeout has
     // occurred.
+    // Spinning: No exp back off and initial delay is zero
     CHECK((delay_generator_ != NULL) ||
-          (initial_delay_ > Scheduler::NoDelay()))
-        << "Spinning: No exp back off and initial delay is zero";
+          (initial_delay_ > Scheduler::NoDelay()));
     EnsureScheduled(true, "Retry");
   } else if (delay_generator_ != NULL) {
     // The task asked not to be rescheduled.  Treat it as having "succeeded"