CpuProfiler: replace FLAG_hydrogen_track_positions with is_tracking_positions method on Compilation…

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 8019e9360a161e0ef7a001cae9c6d20f43187e04..3f2aa4beb9474976891c293d3a041475f780fd5e 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -168,6 +168,8 @@ class CompilationInfo {
     parameter_count_ = parameter_count;
   }
 
+  bool is_tracking_positions() const { return track_positions_; }
+
   bool is_calling() const {
     return GetFlag(kDeferredCalling) || GetFlag(kNonDeferredCalling);
   }
@@ -449,6 +451,7 @@ class CompilationInfo {
 
   List<OffsetRange>* no_frame_ranges_;
   std::vector<InlinedFunctionInfo>* inlined_function_infos_;
+  bool track_positions_;
 
   // A copy of shared_info()->opt_count() to avoid handle deref
   // during graph optimization.