[DevTools] [PowerProfiler] Fix for browser crash with active timeline recording for capturing power.

content/browser/power_profiler/power_profiler_service.cc

Index: content/browser/power_profiler/power_profiler_service.cc
diff --git a/content/browser/power_profiler/power_profiler_service.cc b/content/browser/power_profiler/power_profiler_service.cc
index 951034c3918125a81e45b7f18ab92bb12ea33596..026b42ab893fbfb2b7fbabdf49ff11ae5c4b18b2 100644
--- a/content/browser/power_profiler/power_profiler_service.cc
+++ b/content/browser/power_profiler/power_profiler_service.cc
@@ -62,7 +62,7 @@ void PowerProfilerService::AddObserver(PowerProfilerObserver* observer) {
 void PowerProfilerService::RemoveObserver(PowerProfilerObserver* observer) {
   observers_.RemoveObserver(observer);
 
-  if (!observers_.might_have_observers())
+  if (status_ == PROFILING && !observers_.might_have_observers())
     Stop();
 }