Dart: Adds a content handler and a test.

mojo/public/tools/bindings/generators/mojom_dart_generator.py

 # Copyright 2014 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.
 
 """Generates dart source files from a mojom.Module."""
 
 import re
 
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
@@ skipping 103 matching lines @@
   mojom.SHAREDBUFFER.spec:          'encodeSharedBufferHandle',
   mojom.STRING.spec:                'encodeString',
   mojom.UINT16.spec:                'encodeUint16',
   mojom.UINT32.spec:                'encodeUint32',
   mojom.UINT64.spec:                'encodeUint64',
   mojom.UINT8.spec:                 'encodeUint8',
 }
 
 def GetDartType(kind):
   if kind.imported_from:
-    return kind.imported_from["unique_name"] + "." + kind.name
-  return kind.name
+    return kind.imported_from["unique_name"] + "." + GetNameForElement(kind)
+  return GetNameForElement(kind)
 
 def DartDefaultValue(field):
   if field.default:
     if mojom.IsStructKind(field.kind):
       assert field.default == "default"
       return "new %s()" % GetDartType(field.kind)
     return ExpressionToText(field.default)
   if field.kind in mojom.PRIMITIVES:
     return _kind_to_dart_default_value[field.kind]
   if mojom.IsStructKind(field.kind):
@@ skipping 296 matching lines @@
         interface_to_import[name] = each_import["unique_name"] + "." + name
     return interface_to_import
 
   def ImportedFrom(self):
     interface_to_import = {}
     for each_import in self.module.imports:
       for each_interface in each_import["module"].interfaces:
         name = each_interface.name
         interface_to_import[name] = each_import["unique_name"] + "."
     return interface_to_import