Mojo code generator: simplify how imported types and values are handled.

mojo/public/tools/bindings/generators/cpp_templates/module-shared-internal.h.tmpl

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 {%- set header_guard = "%s_SHARED_INTERNAL_H_"|format(
         module.path|upper|replace("/","_")|replace(".","_")|
             replace("-", "_")) %}
 
 #ifndef {{header_guard}}
 #define {{header_guard}}
 
 #include <stdint.h>
 
 #include "mojo/public/cpp/bindings/lib/array_internal.h"
 #include "mojo/public/cpp/bindings/lib/bindings_internal.h"
 #include "mojo/public/cpp/bindings/lib/map_data_internal.h"
 #include "mojo/public/cpp/bindings/lib/native_enum_data.h"
 #include "mojo/public/cpp/bindings/lib/native_struct_data.h"
 #include "mojo/public/cpp/bindings/lib/buffer.h"
 
 {%- for import in imports %}
-#include "{{import.module.path}}-shared-internal.h"
+#include "{{import.path}}-shared-internal.h"
 {%- endfor %}
 
 namespace mojo {
 namespace internal {
 class ValidationContext;
 }
 }
 
 {%- for namespace in namespaces_as_array %}
 namespace {{namespace}} {
@@ skipping 57 matching lines @@
 {%- endfor %}
 
 #pragma pack(pop)
 
 }  // namespace internal
 {%- for namespace in namespaces_as_array|reverse %}
 }  // namespace {{namespace}}
 {%- endfor %}
 
 #endif  // {{header_guard}}