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 b3f49931cc3acc8807ab68f7dcdfc9d6d64b2a84..a3b95df3dd7252155e177f2a864804766eeeae5d 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);
   }
@@ -448,7 +450,9 @@ class CompilationInfo {
   int prologue_offset_;
 
   List<OffsetRange>* no_frame_ranges_;
+
   List<InlinedFunctionInfo>* inlined_function_infos_;
+  bool track_positions_;
 
   // A copy of shared_info()->opt_count() to avoid handle deref
   // during graph optimization.