cc mojo: Use ArrayDataViews in RenderPasses

mojo/public/cpp/bindings/array_traits.h

 // 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.
 
 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_H_
 
 namespace mojo {
 
 // This must be specialized for any type |T| to be serialized/deserialized as
@@ skipping 29 matching lines @@
 //     //
 //     // Acquires an iterator positioned at the first element in the container.
 //     static ConstIterator GetBegin(const Container<T>& input);
 //     static Iterator GetBegin(Container<T>& input);
 //
 //     // Advances |iterator| to the next position within the container.
 //     static void AdvanceIterator(ConstIterator& iterator);
 //     static void AdvanceIterator(Iterator& iterator);
 //
 //     // Returns a reference to the value at the current position of
-//     // |iterator|.
+//     // |iterator|. Optionally, the ConstIterator version of GetValue can
+//     // return by value instead of by reference if it makes sense for the
+//     // type.
 //     static const T& GetValue(ConstIterator& iterator);
 //     static T& GetValue(Iterator& iterator);
 //
 //     // These two methods are optional if the iterator methods are
 //     // implemented.
 //     static T& GetAt(Container<T>& input, size_t index);
 //     static const T& GetAt(const Container<T>& input, size_t index);
 //
 //     // Returning false results in deserialization failure and causes the
 //     // message pipe receiving it to be disconnected.
 //     static bool Resize(Container<T>& input, size_t size);
 //   };
 //
 template <typename T>
 struct ArrayTraits;
 
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_H_