[debugger] Simplify deletion of DeoptimizedFrameInfo.

src/debug/debug-frames.cc

Index: src/debug/debug-frames.cc
diff --git a/src/debug/debug-frames.cc b/src/debug/debug-frames.cc
index b1a8af256934d3e5d8ba93c49a9bce0d7c5e8d62..e683fa2d15c0fd11a8515d52ebe1c907ca7d5fd1 100644
--- a/src/debug/debug-frames.cc
+++ b/src/debug/debug-frames.cc
@@ -31,15 +31,13 @@ FrameInspector::FrameInspector(JavaScriptFrame* frame,
   }
 }
 
-
 FrameInspector::~FrameInspector() {
   // Get rid of the calculated deoptimized frame if any.
-  if (deoptimized_frame_ != NULL) {
-    Deoptimizer::DeleteDebuggerInspectableFrame(deoptimized_frame_, isolate_);
+  if (deoptimized_frame_ != nullptr) {

[Benedikt Meurer, 2016/06/29 09:56:45]

You don't need this check, delete already does a nullptr check.

+    delete deoptimized_frame_;
   }
 }
 
-
 int FrameInspector::GetParametersCount() {
   return is_optimized_ ? deoptimized_frame_->parameters_count()
                        : frame_->ComputeParametersCount();