Add a few tests to ProfilerEventsProcessor.

src/cpu-profiler.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 110 matching lines @@
 // This class implements both the profile events processor thread and
 // methods called by event producers: VM and stack sampler threads.
 class ProfilerEventsProcessor : public Thread {
  public:
   explicit ProfilerEventsProcessor(ProfileGenerator* generator);
   virtual ~ProfilerEventsProcessor() { }
 
   // Thread control.
   virtual void Run();
   inline void Stop() { running_ = false; }
+  INLINE(bool running()) { return running_; }
 
   // Events adding methods. Called by VM threads.
   void CodeCreateEvent(Logger::LogEventsAndTags tag,
                        String* name,
                        String* resource_name, int line_number,
                        Address start, unsigned size);
   void CodeCreateEvent(Logger::LogEventsAndTags tag,
                        const char* name,
                        Address start, unsigned size);
   void CodeCreateEvent(Logger::LogEventsAndTags tag,
@@ skipping 30 matching lines @@
   bool running_;
   CircularQueue<CodeEventsContainer> events_buffer_;
   SamplingCircularQueue ticks_buffer_;
   unsigned enqueue_order_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_CPU_PROFILER_H_