Rename sky/engine/bindings2 to sky/engine/bindings

sky/engine/bindings/nullable.h

 // 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.
 
-#ifndef SKY_ENGINE_BINDINGS2_NULLABLE_H_
-#define SKY_ENGINE_BINDINGS2_NULLABLE_H_
+#ifndef SKY_ENGINE_BINDINGS_NULLABLE_H_
+#define SKY_ENGINE_BINDINGS_NULLABLE_H_
 
 #include "base/logging.h"
 
 namespace blink {
 
 template <typename T>
 class Nullable {
  public:
   Nullable() : value_(), is_null_(true) {}
   Nullable(const T& value) : value_(value), is_null_(false) {}
@@ skipping 27 matching lines @@
            (!is_null_ && !other.is_null_ && value_ == other.value_);
   }
 
  private:
   T value_;
   bool is_null_;
 };
 
 }  // namespace blink
 
-#endif  // SKY_ENGINE_BINDINGS2_NULLABLE_H_
+#endif  // SKY_ENGINE_BINDINGS_NULLABLE_H_