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

src/value-serializer.cc

Index: src/value-serializer.cc
diff --git a/src/value-serializer.cc b/src/value-serializer.cc
index 86c96dac16b430ab7a5bc433a1a8f607d52267da..7e0663c93609bd67d29162f4ccf16830c216650d 100644
--- a/src/value-serializer.cc
+++ b/src/value-serializer.cc
@@ -17,6 +17,7 @@
 #include "src/snapshot/code-serializer.h"
 #include "src/transitions.h"
 #include "src/wasm/wasm-module.h"
+#include "src/wasm/wasm-objects.h"
 #include "src/wasm/wasm-result.h"
 
 namespace v8 {
@@ -739,8 +740,8 @@ Maybe<bool> ValueSerializer::WriteJSArrayBufferView(JSArrayBufferView* view) {
 }
 
 Maybe<bool> ValueSerializer::WriteWasmModule(Handle<JSObject> object) {
-  Handle<wasm::WasmCompiledModule> compiled_part(
-      wasm::WasmCompiledModule::cast(object->GetInternalField(0)), isolate_);
+  Handle<WasmCompiledModule> compiled_part(
+      WasmCompiledModule::cast(object->GetInternalField(0)), isolate_);
   WasmEncodingTag encoding_tag = WasmEncodingTag::kRawBytes;
   WriteTag(SerializationTag::kWasmModule);
   WriteRawBytes(&encoding_tag, sizeof(encoding_tag));
@@ -1509,7 +1510,7 @@ MaybeHandle<JSObject> ValueDeserializer::ReadWasmModule() {
           isolate_, &script_data, wire_bytes)
           .ToHandle(&compiled_part)) {
     return wasm::CreateWasmModuleObject(
-        isolate_, Handle<wasm::WasmCompiledModule>::cast(compiled_part),
+        isolate_, Handle<WasmCompiledModule>::cast(compiled_part),
         wasm::ModuleOrigin::kWasmOrigin);
   }