Rename some of SamplingCircularQueue methods

src/circular-queue-inl.h

Index: src/circular-queue-inl.h
diff --git a/src/circular-queue-inl.h b/src/circular-queue-inl.h
index 8b09eeb9fb46c4462fb2472c44d662eeff0bf5a2..dfb70315781a50f0aa370a0347aac6c83eaadd6f 100644
--- a/src/circular-queue-inl.h
+++ b/src/circular-queue-inl.h
@@ -46,7 +46,7 @@ SamplingCircularQueue<T, L>::~SamplingCircularQueue() {
 
 
 template<typename T, unsigned L>
-T* SamplingCircularQueue<T, L>::StartDequeue() {
+T* SamplingCircularQueue<T, L>::Peek() {
   MemoryBarrier();
   if (Acquire_Load(&dequeue_pos_->marker) == kFull) {
     return &dequeue_pos_->record;
@@ -56,7 +56,7 @@ T* SamplingCircularQueue<T, L>::StartDequeue() {
 
 
 template<typename T, unsigned L>
-void SamplingCircularQueue<T, L>::FinishDequeue() {
+void SamplingCircularQueue<T, L>::Remove() {
   Release_Store(&dequeue_pos_->marker, kEmpty);
   dequeue_pos_ = Next(dequeue_pos_);
 }