Do not record source positions for non-JS or native script code.

src/compiler.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/bailout-reason.h"
 #include "src/compilation-dependencies.h"
+#include "src/source-position-table.h"
 #include "src/source-position.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class CompilationInfo;
 class CompilationJob;
 class JavaScriptFrame;
@@ skipping 406 matching lines @@
   base::SmartArrayPointer<char> GetDebugName() const;
 
   Code::Kind output_code_kind() const {
     return Code::ExtractKindFromFlags(code_flags_);
   }
 
   StackFrame::Type GetOutputStackFrameType() const;
 
   int GetDeclareGlobalsFlags() const;
 
+  SourcePositionTableBuilder::RecordingMode SourcePositionRecordingMode() const;
+
  protected:
   ParseInfo* parse_info_;
 
   void DisableFutureOptimization() {
     if (GetFlag(kDisableFutureOptimization) && has_shared_info()) {
       // If Crankshaft tried to optimize this function, bailed out, and
       // doesn't want to try again, then use TurboFan next time.
       if (!shared_info()->dont_crankshaft() &&
           bailout_reason() != kOptimizedTooManyTimes) {
         shared_info()->set_dont_crankshaft(true);
@@ skipping 145 matching lines @@
   MUST_USE_RESULT Status SetLastStatus(Status status) {
     last_status_ = status;
     return last_status_;
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_H_