Add column getter to CpuProfileNode

src/api.cc

 // Copyright 2012 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 6910 matching lines @@
   return ToApiHandle<String>(isolate->factory()->InternalizeUtf8String(
       node->entry()->resource_name()));
 }
 
 
 int CpuProfileNode::GetLineNumber() const {
   return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number();
 }
 
 
+int CpuProfileNode::GetColumnNumber() const {
+  return reinterpret_cast<const i::ProfileNode*>(this)->
+      entry()->column_number();
+}
+
+
 const char* CpuProfileNode::GetBailoutReason() const {
   const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
   return node->entry()->bailout_reason();
 }
 
 
 unsigned CpuProfileNode::GetHitCount() const {
   return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks();
 }
 
@@ skipping 587 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal