Don't inline full VMState's constructor/destructor.

src/log.h

 // Copyright 2006-2008 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 77 matching lines @@
 #endif
 
 
 class VMState BASE_EMBEDDED {
 #ifdef ENABLE_LOGGING_AND_PROFILING
  public:
   inline VMState(StateTag state);
   inline ~VMState();
 
   StateTag state() { return state_; }
+
   Address external_callback() { return external_callback_; }
   void set_external_callback(Address external_callback) {
     external_callback_ = external_callback;
   }
 
  private:
+  void Initialize(StateTag state);
+  void Destroy();
+
   bool disabled_;
   StateTag state_;
   VMState* previous_;
   Address external_callback_;
 #else
  public:
   explicit VMState(StateTag state) {}
 #endif
 };
 
@@ skipping 271 matching lines @@
 // Class that extracts stack trace, used for profiling.
 class StackTracer : public AllStatic {
  public:
   static void Trace(TickSample* sample);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOG_H_