[wasm] Add inspector test for stepping

src/wasm/wasm-debug.cc

 // Copyright 2016 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/assembler-inl.h"
 #include "src/assert-scope.h"
 #include "src/compiler/wasm-compiler.h"
 #include "src/debug/debug.h"
 #include "src/factory.h"
 #include "src/frames-inl.h"
@@ skipping 147 matching lines @@
   }
 
   WasmInterpreter::State ContinueExecution(WasmInterpreter::Thread* thread) {
     switch (next_step_action_) {
       case StepNone:
         return thread->Run();
       case StepIn:
         return thread->Step();
       case StepOut:
         thread->AddBreakFlags(WasmInterpreter::BreakFlag::AfterReturn);
-        return thread->Step();
+        return thread->Run();
       case StepNext: {
         int stack_depth = thread->GetFrameCount();
         if (stack_depth == last_step_stack_depth_) return thread->Step();
         thread->AddBreakFlags(stack_depth > last_step_stack_depth_
                                   ? WasmInterpreter::BreakFlag::AfterReturn
                                   : WasmInterpreter::BreakFlag::AfterCall);
         return thread->Run();
       }
       case StepFrame:
         thread->AddBreakFlags(WasmInterpreter::BreakFlag::AfterCall |
@@ skipping 248 matching lines @@
 
 std::vector<std::pair<uint32_t, int>> WasmDebugInfo::GetInterpretedStack(
     Address frame_pointer) {
   return GetInterpreterHandle(this)->GetInterpretedStack(frame_pointer);
 }
 
 std::unique_ptr<wasm::InterpretedFrame> WasmDebugInfo::GetInterpretedFrame(
     Address frame_pointer, int idx) {
   return GetInterpreterHandle(this)->GetInterpretedFrame(frame_pointer, idx);
 }