Remove redundant 'running' checks for ProfilerEventsProcessor in tests.

src/cpu-profiler.h

Index: src/cpu-profiler.h
diff --git a/src/cpu-profiler.h b/src/cpu-profiler.h
index 9481d3b1d27da0178ee0094da274544346d86afe..f9f61675db042a7c5e3dfb94cb32131fa5dad2bd 100644
--- a/src/cpu-profiler.h
+++ b/src/cpu-profiler.h
@@ -134,8 +134,8 @@ class TickSampleEventRecord BASE_EMBEDDED {
 // methods called by event producers: VM and stack sampler threads.
 class ProfilerEventsProcessor : public Thread {
  public:
-  explicit ProfilerEventsProcessor(Isolate* isolate,
-                                   ProfileGenerator* generator);
+  ProfilerEventsProcessor(Isolate* isolate,
+                          ProfileGenerator* generator);
   virtual ~ProfilerEventsProcessor() {}
 
   // Thread control.