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

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index 3df27632328c1146683b1eab301b40ece035299d..0a365ec8fc945fba34208b54926a1f8e1b541c6b 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -1518,8 +1518,8 @@ Script* WasmFrame::script() const {
   if (wasm::WasmIsAsmJs(*instance, isolate())) {
     return *wasm::GetAsmWasmScript(instance);
   }
-  Handle<wasm::WasmDebugInfo> debug_info = wasm::GetDebugInfo(instance);
-  return wasm::WasmDebugInfo::GetFunctionScript(debug_info, function_index());
+  Handle<WasmDebugInfo> debug_info = wasm::GetDebugInfo(instance);
+  return WasmDebugInfo::GetFunctionScript(debug_info, function_index());
 }
 
 int WasmFrame::position() const {