No need to start Ticker for Crankshaft

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 94385373c2ee309e5f5392bd922b8333d610508f..81fe19f046b256c86209e1664a23ee7afff3e1fc 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -1560,11 +1560,6 @@ void Logger::LogFailure() {
 }
 
 
-bool Logger::IsProfilerSamplerActive() {
-  return ticker_->IsActive();
-}
-
-
 class EnumerateOptimizedFunctionsVisitor: public OptimizedFunctionVisitor {
  public:
   EnumerateOptimizedFunctionsVisitor(Handle<SharedFunctionInfo>* sfis,
@@ -1937,17 +1932,6 @@ Sampler* Logger::sampler() {
 }
 
 
-void Logger::EnsureTickerStarted() {
-  ASSERT(ticker_ != NULL);
-  if (!ticker_->IsActive()) ticker_->Start();
-}
-
-
-void Logger::EnsureTickerStopped() {
-  if (ticker_ != NULL && ticker_->IsActive()) ticker_->Stop();
-}
-
-
 FILE* Logger::TearDown() {
   if (!is_initialized_) return NULL;
   is_initialized_ = false;