Split Ticker into two samplers.

src/profiler/cpu-profiler-inl.h

Index: src/profiler/cpu-profiler-inl.h
diff --git a/src/profiler/cpu-profiler-inl.h b/src/profiler/cpu-profiler-inl.h
index d8c9c909c292390b9a288a1812824115cc4ec6c4..504c3f6e1ac86406578539955d64917f34250038 100644
--- a/src/profiler/cpu-profiler-inl.h
+++ b/src/profiler/cpu-profiler-inl.h
@@ -50,17 +50,6 @@ void ReportBuiltinEventRecord::UpdateCodeMap(CodeMap* code_map) {
 }
 
 
-TickSample* CpuProfiler::StartTickSample() {
-  if (is_profiling_) return processor_->StartTickSample();
-  return NULL;
-}
-
-
-void CpuProfiler::FinishTickSample() {
-  processor_->FinishTickSample();
-}
-
-
 TickSample* ProfilerEventsProcessor::StartTickSample() {
   void* address = ticks_buffer_.StartEnqueue();
   if (address == NULL) return NULL;