Send SIGPROF signals on the profiler event processor thread

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 66dbade78fc1d34820b7dbaa67be66a5349d2712..47a52fdde123753c2f54b1aab3acb57f95cd21e0 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -2153,4 +2153,21 @@ void Sampler::Stop() {
 }
 
 
+bool Sampler::CanSampleOnProflerEventsProcessorThread() {
+  return false;
+}
+
+
+void Sampler::DoSample() {
+}
+
+
+void Sampler::StartProfiling() {
+}
+
+
+void Sampler::StopProfiling() {
+}
+
+
 } }  // namespace v8::internal