cc mojo: Use ArrayDataViews in RenderPasses

mojo/public/cpp/bindings/lib/array_serialization.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 MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_SERIALIZATION_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_SERIALIZATION_H_
 
 #include <stddef.h>
 #include <string.h>  // For |memcpy()|.
 
@@ skipping 16 matching lines @@
 template <typename Traits,
           typename MaybeConstUserType,
           bool HasGetBegin =
               HasGetBeginMethod<Traits, MaybeConstUserType>::value>
 class ArrayIterator {};
 
 // Used as the UserTypeIterator template parameter of ArraySerializer.
 template <typename Traits, typename MaybeConstUserType>
 class ArrayIterator<Traits, MaybeConstUserType, true> {
  public:
+  using UserType = typename std::remove_const<MaybeConstUserType>::type;
   using IteratorType = decltype(
       CallGetBeginIfExists<Traits>(std::declval<MaybeConstUserType&>()));
 
   explicit ArrayIterator(MaybeConstUserType& input)
       : input_(input), iter_(CallGetBeginIfExists<Traits>(input)) {}
   ~ArrayIterator() {}
 
   size_t GetSize() const { return Traits::GetSize(input_); }
 
   using GetNextResult =
-      decltype(Traits::GetValue(std::declval<IteratorType&>()));
+      decltype(Traits::GetValue(std::declval<MaybeConstUserType&>(),
+                                std::declval<IteratorType&>()));
   GetNextResult GetNext() {
-    auto& value = Traits::GetValue(iter_);
-    Traits::AdvanceIterator(iter_);
+    auto& value = Traits::GetValue(input_, iter_);
+    Traits::AdvanceIterator(input_, iter_);
     return value;
   }
 
   using GetDataIfExistsResult = decltype(
       CallGetDataIfExists<Traits>(std::declval<MaybeConstUserType&>()));
   GetDataIfExistsResult GetDataIfExists() {
     return CallGetDataIfExists<Traits>(input_);
   }
 
  private:
@@ skipping 478 matching lines @@
     if (!input)
       return CallSetToNullIfExists<Traits>(output);
     return Impl::DeserializeElements(input, output, context);
   }
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_ARRAY_SERIALIZATION_H_