Add basic C++ implementation of CPU profiler.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 99b1568b6fea182b9931e935d4b9f6b4ea7990c9..eae4106095edde2c18b243dc121c78759c070588 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -189,10 +189,10 @@ class MacroAssembler: public Assembler {
   }
 
   // Abort execution if argument is not a number. Used in debug code.
-  void AbortIfNotNumber(Register object, const char* msg);
+  void AbortIfNotNumber(Register object);
 
   // Abort execution if argument is not a smi. Used in debug code.
-  void AbortIfNotSmi(Register object, const char* msg);
+  void AbortIfNotSmi(Register object);
 
   // ---------------------------------------------------------------------------
   // Exception handling