Add basic C++ implementation of CPU profiler.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index b9dd00fd24176d26b6dd0a359fb49ea47400d469..352933678b74c2ae36bbd7a8cad29583d59e0095 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -351,20 +351,20 @@ void MacroAssembler::FCmp() {
 }
 
 
-void MacroAssembler::AbortIfNotNumber(Register object, const char* msg) {
+void MacroAssembler::AbortIfNotNumber(Register object) {
   Label ok;
   test(object, Immediate(kSmiTagMask));
   j(zero, &ok);
   cmp(FieldOperand(object, HeapObject::kMapOffset),
       Factory::heap_number_map());
-  Assert(equal, msg);
+  Assert(equal, "Operand not a number");
   bind(&ok);
 }
 
 
-void MacroAssembler::AbortIfNotSmi(Register object, const char* msg) {
+void MacroAssembler::AbortIfNotSmi(Register object) {
   test(object, Immediate(kSmiTagMask));
-  Assert(equal, msg);
+  Assert(equal, "Operand not a smi");
 }