Bindings: inherit enums and callbacks from partial interface files.

Source/bindings/scripts/interface_dependency_resolver.py

Index: Source/bindings/scripts/interface_dependency_resolver.py
diff --git a/Source/bindings/scripts/interface_dependency_resolver.py b/Source/bindings/scripts/interface_dependency_resolver.py
index 5fe6ddae85acf292de890543363c56f17a8d5418..fb858a14562c186f1f59bc70159712e1cd558a9f 100644
--- a/Source/bindings/scripts/interface_dependency_resolver.py
+++ b/Source/bindings/scripts/interface_dependency_resolver.py
@@ -106,6 +106,7 @@ class InterfaceDependencyResolver(object):
                 interface_info['inherited_extended_attributes'])
 
         merge_interface_dependencies(target_interface,
+                                     definitions,
                                      interface_info['dependencies_full_paths'],
                                      self.reader)
 
@@ -115,17 +116,19 @@ class InterfaceDependencyResolver(object):
             definitions.interfaces.update(referenced_definitions.interfaces)
 
 
-def merge_interface_dependencies(target_interface, dependency_idl_filenames, reader):
-    """Merge dependencies ('partial interface' and 'implements') in dependency_idl_filenames into target_interface.
+def merge_interface_dependencies(target_interface, definitions, dependency_idl_filenames, reader):
+    """Merge dependencies ('partial interface' and 'implements') in dependency_idl_filenames into target_interface and definitions.
 
-    No return: modifies target_interface in place.
+    No return: modifies target_interface and definitions in place.
     """
     # Sort so order consistent, so can compare output from run to run.
     for dependency_idl_filename in sorted(dependency_idl_filenames):
         dependency_interface_basename, _ = os.path.splitext(os.path.basename(dependency_idl_filename))
-        definitions = reader.read_idl_file(dependency_idl_filename)
+        dependency_definitions = reader.read_idl_file(dependency_idl_filename)
+
+        definitions.merge(dependency_definitions)
 
-        for dependency_interface in definitions.interfaces.itervalues():
+        for dependency_interface in dependency_definitions.interfaces.itervalues():
             # Dependency files contain either partial interfaces for
             # the (single) target interface, in which case the interface names
             # must agree, or interfaces that are implemented by the target