[debugger] tuned StepNext and StepOut at return position

src/debug/debug.h

Index: src/debug/debug.h
diff --git a/src/debug/debug.h b/src/debug/debug.h
index 34b4fe2c2cf66cac9cb52de519616df1abf2009e..dadafd267f5d8c17b512b000f2be5bed06ff366a 100644
--- a/src/debug/debug.h
+++ b/src/debug/debug.h
@@ -429,6 +429,9 @@ class Debug {
   }
 
   StepAction last_step_action() { return thread_local_.last_step_action_; }
+  bool step_into_function_call_requested() {
+    return thread_local_.step_into_function_call_requested_;
+  }
 
   DebugFeatureTracker* feature_tracker() { return &feature_tracker_; }
 
@@ -490,7 +493,8 @@ class Debug {
   // Clear all code from instrumentation.
   void ClearAllBreakPoints();
   // Instrument a function with one-shots.
-  void FloodWithOneShot(Handle<SharedFunctionInfo> function);
+  void FloodWithOneShot(Handle<SharedFunctionInfo> function,
+                        bool returns_only = false);
   // Clear all one-shot instrumentations, but restore break points.
   void ClearOneShot();
 
@@ -565,6 +569,15 @@ class Debug {
     // Step action for last step performed.
     StepAction last_step_action_;
 
+    // If set then this function will be ignored in PrepareStepIn call.
+    Object* ignore_step_into_function_;
+
+    // If set then next stepping break will be ignored.
+    bool ignore_next_stepping_break_;
+
+    // If set then PrepapreStepIn will be called for each function call.
+    bool step_into_function_call_requested_;
+
     // Source statement position from last step next action.
     int last_statement_position_;