Bindings: inherit enums and callbacks from partial interface files.

Source/bindings/tests/idls/TestPartialInterfacePython.idl

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
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  * modification, are permitted provided that the following conditions are
  * met:
  *
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  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
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  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+enum PartialEnumType {
+    "foo",
+    "bar"
+};
+
+typedef DOMString String;
+
+callback PartialCallbackType = void (String value);
+
 [
     Conditional=PARTIAL_CONDITION,
     RuntimeEnabled=PartialFeatureName,
 ] partial interface TestInterfacePython {
     const unsigned short PARTIAL_UNSIGNED_SHORT = 0;
 
     attribute long partialLongAttribute;
     static attribute long partialStaticLongAttribute;
     [CallWith=ExecutionContext] attribute long partialCallWithExecutionContextLongAttribute;
 
     void partialVoidMethod();
     static void partialStaticVoidMethod();
     void partialVoidMethodLongArg(long longArg);
     [CallWith=ExecutionContext, RaisesException] void partialCallWithExecutionContextRaisesExceptionVoidMethod();
+
+    attribute PartialEnumType enumAttribute;
+    void methodThatTakesCallback(PartialCallbackType callback);
 };