[Isolates] Move Profiler::paused_ into non-static members.

src/log.cc

 // Copyright 2009 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 91 matching lines @@
     *sample = buffer_[tail_];
     bool result = overflow_;
     tail_ = Succ(tail_);
     overflow_ = false;
     return result;
   }
 
   void Run();
 
   // Pause and Resume TickSample data collection.
-  bool paused() { return paused_; }
+  bool paused() const { return paused_; }
   void pause() { paused_ = true; }
   void resume() { paused_ = false; }
 
  private:
   // Returns the next index in the cyclic buffer.
   int Succ(int index) { return (index + 1) % kBufferSize; }
 
   // Cyclic buffer for communicating profiling samples
   // between the signal handler and the worker thread.
   static const int kBufferSize = 128;
@@ skipping 1429 matching lines @@
   }
   // Otherwise, if the sliding state window computation has not been
   // started we do it now.
   if (sliding_state_window_ == NULL) {
     sliding_state_window_ = new SlidingStateWindow();
   }
 #endif
 }
 
 } }  // namespace v8::internal