[wasm] Move all heap-allocated WASM structures into wasm-objects.h.

src/wasm/wasm-debug.cc

Index: src/wasm/wasm-debug.cc
diff --git a/src/wasm/wasm-debug.cc b/src/wasm/wasm-debug.cc
index aa1357a2847504dc041ce70ccf43a01e655a74a4..909c43b024610a6c4451af27b1c9e98a3ea640fa 100644
--- a/src/wasm/wasm-debug.cc
+++ b/src/wasm/wasm-debug.cc
@@ -2,14 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/wasm/wasm-debug.h"
-
 #include "src/assert-scope.h"
 #include "src/debug/debug.h"
 #include "src/factory.h"
 #include "src/isolate.h"
 #include "src/wasm/module-decoder.h"
 #include "src/wasm/wasm-module.h"
+#include "src/wasm/wasm-objects.h"
 
 using namespace v8::internal;
 using namespace v8::internal::wasm;