Proof-reading comments in base/message_loop/.

base/message_loop/incoming_task_queue.cc

Index: base/message_loop/incoming_task_queue.cc
diff --git a/base/message_loop/incoming_task_queue.cc b/base/message_loop/incoming_task_queue.cc
index 5e9a4613da1cad2a28369aa78b69e87001ad9e9f..eab14e9b70753308fcc1eca4fcb3b23d92d20066 100644
--- a/base/message_loop/incoming_task_queue.cc
+++ b/base/message_loop/incoming_task_queue.cc
@@ -147,7 +147,7 @@ bool IncomingTaskQueue::PostPendingTask(PendingTask* pending_task) {
   }
 
   // Initialize the sequence number. The sequence number is used for delayed
-  // tasks (to faciliate FIFO sorting when two tasks have the same
+  // tasks (to facilitate FIFO sorting when two tasks have the same
   // delayed_run_time value) and for identifying the task in about:tracing.
   pending_task->sequence_num = next_sequence_num_++;