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

src/runtime/runtime-debug.cc

Index: src/runtime/runtime-debug.cc
diff --git a/src/runtime/runtime-debug.cc b/src/runtime/runtime-debug.cc
index b1bd85c34dae937c0a6b0e24e8a6a0280e34f806..a8ca5c60bd0dfc69a51d1d4417b2311ad067d936 100644
--- a/src/runtime/runtime-debug.cc
+++ b/src/runtime/runtime-debug.cc
@@ -1906,9 +1906,9 @@ RUNTIME_FUNCTION(Runtime_GetWasmFunctionOffsetTable) {
   CHECK(script_val->value()->IsScript());
   Handle<Script> script = Handle<Script>(Script::cast(script_val->value()));
 
-  Handle<wasm::WasmDebugInfo> debug_info =
+  Handle<WasmDebugInfo> debug_info =
       wasm::GetDebugInfo(handle(script->wasm_instance(), isolate));
-  Handle<FixedArray> elements = wasm::WasmDebugInfo::GetFunctionOffsetTable(
+  Handle<FixedArray> elements = WasmDebugInfo::GetFunctionOffsetTable(
       debug_info, script->wasm_function_index());
   return *isolate->factory()->NewJSArrayWithElements(elements);
 }
@@ -1922,10 +1922,10 @@ RUNTIME_FUNCTION(Runtime_DisassembleWasmFunction) {
   CHECK(script_val->value()->IsScript());
   Handle<Script> script = Handle<Script>(Script::cast(script_val->value()));
 
-  Handle<wasm::WasmDebugInfo> debug_info =
+  Handle<WasmDebugInfo> debug_info =
       wasm::GetDebugInfo(handle(script->wasm_instance(), isolate));
-  return *wasm::WasmDebugInfo::DisassembleFunction(
-      debug_info, script->wasm_function_index());
+  return *WasmDebugInfo::DisassembleFunction(debug_info,
+                                             script->wasm_function_index());
 }
 
 }  // namespace internal