Remove profiler thread related methods from RuntimeProfiler

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 0fc70c511e0a9706f938322b06cefac4e8d81581..eae639499a4b07abf8e1861d8ac01be1a1ec258d 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -2027,7 +2027,7 @@ class SamplerThread : public Thread {
     ScopedLock lock(mutex_);
     SamplerRegistry::RemoveActiveSampler(sampler);
     if (SamplerRegistry::GetState() == SamplerRegistry::HAS_NO_SAMPLERS) {
-      RuntimeProfiler::StopRuntimeProfilerThreadBeforeShutdown(instance_);
+      instance_->Join();
       delete instance_;
       instance_ = NULL;
     }
@@ -2042,8 +2042,6 @@ class SamplerThread : public Thread {
       // profiled. We must not suspend.
       if (state == SamplerRegistry::HAS_CPU_PROFILING_SAMPLERS) {
         SamplerRegistry::IterateActiveSamplers(&DoCpuProfile, this);
-      } else {
-        if (RuntimeProfiler::WaitForSomeIsolateToEnterJS()) continue;
       }
       OS::Sleep(interval_);
     }