DevTools: Fix CPU page becoming unresponsive with timeline CPU throttling on Win

content/renderer/devtools/devtools_cpu_throttler.cc

Index: content/renderer/devtools/devtools_cpu_throttler.cc
diff --git a/content/renderer/devtools/devtools_cpu_throttler.cc b/content/renderer/devtools/devtools_cpu_throttler.cc
index 277d863492523b8bacdac0771bc5521dbefb75a2..41d4f6b98127ee13f2af92d4e93e5b7713a9cab6 100644
--- a/content/renderer/devtools/devtools_cpu_throttler.cc
+++ b/content/renderer/devtools/devtools_cpu_throttler.cc
@@ -66,7 +66,12 @@ Atomic32 CPUThrottlingThread::suspended_;
 Atomic32 CPUThrottlingThread::thread_exists_;
 
 CPUThrottlingThread::CPUThrottlingThread(double rate)
+#ifdef OS_WIN
+    : throttled_thread_handle_(
+          ::OpenThread(THREAD_SUSPEND_RESUME, false, ::GetCurrentThreadId())),
+#else
     : throttled_thread_handle_(base::PlatformThread::CurrentHandle()),
+#endif
       throttling_rate_percent_(static_cast<Atomic32>(rate * 100)) {
   CHECK(base::subtle::NoBarrier_AtomicExchange(&thread_exists_, 1) == 0);
   Start();