[debugger] account for inlined functions when stepping.

src/frames.cc

 // 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.
 
 #include "src/frames.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/base/bits.h"
@@ skipping 936 matching lines @@
 
 Address JavaScriptFrame::GetCallerStackPointer() const {
   return fp() + StandardFrameConstants::kCallerSPOffset;
 }
 
 void JavaScriptFrame::GetFunctions(List<SharedFunctionInfo*>* functions) const {
   DCHECK(functions->length() == 0);
   functions->Add(function()->shared());
 }
 
+void JavaScriptFrame::GetFunctions(
+    List<Handle<SharedFunctionInfo>>* functions) const {
+  DCHECK(functions->length() == 0);
+  List<SharedFunctionInfo*> raw_functions;
+  GetFunctions(&raw_functions);
+  for (const auto& raw_function : raw_functions) {
+    functions->Add(Handle<SharedFunctionInfo>(raw_function));
+  }
+}
+
 void JavaScriptFrame::Summarize(List<FrameSummary>* functions,
                                 FrameSummary::Mode mode) const {
   DCHECK(functions->length() == 0);
   Code* code = LookupCode();
   int offset = static_cast<int>(pc() - code->instruction_start());
   AbstractCode* abstract_code = AbstractCode::cast(code);
   FrameSummary::JavaScriptFrameSummary summary(isolate(), receiver(),
                                                function(), abstract_code,
                                                offset, IsConstructor(), mode);
   functions->Add(summary);
@@ skipping 1260 matching lines @@
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 }  // namespace internal
 }  // namespace v8