[modules] Turn JSModule into Module.

src/contexts.cc

 // Copyright 2011 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/contexts.h"
 
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
 
@@ skipping 106 matching lines @@
   }
   HeapObject* object = extension();
   if (object->IsContextExtension()) {
     DCHECK(IsBlockContext() || IsCatchContext() || IsWithContext() ||
            IsDebugEvaluateContext());
     object = ContextExtension::cast(object)->scope_info();
   }
   return ScopeInfo::cast(object);
 }
 
-JSModule* Context::module() {
+Module* Context::module() {
   Context* current = this;
   while (!current->IsModuleContext()) {
     current = current->previous();
   }
-  return JSModule::cast(current->extension());
+  return Module::cast(current->extension());
 }
 
 String* Context::catch_name() {
   DCHECK(IsCatchContext());
   return String::cast(ContextExtension::cast(extension())->extension());
 }
 
 
 JSGlobalObject* Context::global_object() {
   return JSGlobalObject::cast(native_context()->extension());
@@ skipping 439 matching lines @@
 
   int previous_value = errors_thrown()->value();
   set_errors_thrown(Smi::FromInt(previous_value + 1));
 }
 
 
 int Context::GetErrorsThrown() { return errors_thrown()->value(); }
 
 }  // namespace internal
 }  // namespace v8