Order function definitions in base/ according to the header.

base/synchronization/waitable_event_posix.cc

Index: base/synchronization/waitable_event_posix.cc
diff --git a/base/synchronization/waitable_event_posix.cc b/base/synchronization/waitable_event_posix.cc
index 9cbc03a80b244555fae8a28eda4929da83c613fe..ae03ead622324c647c070f875342cb892ba92add 100644
--- a/base/synchronization/waitable_event_posix.cc
+++ b/base/synchronization/waitable_event_posix.cc
@@ -149,6 +149,10 @@ class SyncWaiter : public WaitableEvent::Waiter {
   base::ConditionVariable cv_;
 };
 
+bool WaitableEvent::Wait() {
+  return TimedWait(TimeDelta::FromSeconds(-1));
+}
+
 bool WaitableEvent::TimedWait(const TimeDelta& max_time) {
   const Time end_time(Time::Now() + max_time);
   const bool finite_time = max_time.ToInternalValue() >= 0;
@@ -204,13 +208,6 @@ bool WaitableEvent::TimedWait(const TimeDelta& max_time) {
   }
 }
 
-bool WaitableEvent::Wait() {
-  return TimedWait(TimeDelta::FromSeconds(-1));
-}
-
-// -----------------------------------------------------------------------------
-
-
 // -----------------------------------------------------------------------------
 // Synchronous waiting on multiple objects.