Make CPU profiler do not hog 100% of CPU.

src/base/platform/platform-win32.cc

Index: src/base/platform/platform-win32.cc
diff --git a/src/base/platform/platform-win32.cc b/src/base/platform/platform-win32.cc
index b0677afad55cb84545ac92989196db1522985c3f..3226be7ea9479c8f6143b79585bd20d74c72629c 100644
--- a/src/base/platform/platform-win32.cc
+++ b/src/base/platform/platform-win32.cc
@@ -812,8 +812,8 @@ void OS::Guard(void* address, const size_t size) {
 }
 
 
-void OS::Sleep(int milliseconds) {
-  ::Sleep(milliseconds);
+void OS::Sleep(TimeDelta interval) {
+  ::Sleep(static_cast<DWORD>(interval.InMilliseconds()));
 }
 
 
@@ -1385,9 +1385,5 @@ void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
 }
 
 
-
-void Thread::YieldCPU() {
-  Sleep(0);
-}
-
+void Thread::YieldCPU() { ::Sleep(0); }
 } }  // namespace v8::base