Force events to be non blocking if main thread is unresponsive.

third_party/WebKit/Source/core/frame/PerformanceMonitor.cpp

Index: third_party/WebKit/Source/core/frame/PerformanceMonitor.cpp
diff --git a/third_party/WebKit/Source/core/frame/PerformanceMonitor.cpp b/third_party/WebKit/Source/core/frame/PerformanceMonitor.cpp
index b4949cedf9d84b798ab425346c4a523a3b09e2b6..9bca68aa99d0bf0bea8c8e562c092e29899899b9 100644
--- a/third_party/WebKit/Source/core/frame/PerformanceMonitor.cpp
+++ b/third_party/WebKit/Source/core/frame/PerformanceMonitor.cpp
@@ -225,9 +225,9 @@ void PerformanceMonitor::didProcessTask() {
   }
 }
 
-void PerformanceMonitor::ReportTaskTime(scheduler::TaskQueue*,
-                                        double startTime,
-                                        double endTime) {
+void PerformanceMonitor::ReportTaskEndTime(scheduler::TaskQueue*,
+                                           double startTime,
+                                           double endTime) {
   double taskTime = endTime - startTime;
   if (!m_thresholds[kLongTask] || taskTime < m_thresholds[kLongTask])
     return;