Delete deprecated reinterpret_array_view Bug: webrtc:439801349 Change-Id: I61cdbef2b6f5e30b561766356258a463087db9de Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/461280 Auto-Submit: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Evan Shrubsole <eshr@webrtc.org> Reviewed-by: Evan Shrubsole <eshr@webrtc.org> Cr-Commit-Position: refs/heads/main@{#47302}

diff --git a/api/array_view.h b/api/array_view.h
index c670314..8414ac0 100644
--- a/api/array_view.h
+++ b/api/array_view.h

@@ -13,7 +13,6 @@
 
 #include <cstddef>
 #include <span>
-#include <type_traits>
 
 namespace webrtc {
 
@@ -26,24 +25,6 @@
   return ArrayView<T>(data, size);
 }
 
-// Only for primitive types that have the same size and aligment.
-// Allow reinterpret cast of the array view to another primitive type of the
-// same size.
-// Template arguments order is (U, T, Size) to allow deduction of the template
-// arguments in client calls: reinterpret_array_view<target_type>(array_view).
-template <typename U, typename T, size_t Size>
-[[deprecated]] ArrayView<U, Size> reinterpret_array_view(
-    ArrayView<T, Size> view) {
-  static_assert(sizeof(U) == sizeof(T) && alignof(U) == alignof(T),
-                "ArrayView reinterpret_cast is only supported for casting "
-                "between views that represent the same chunk of memory.");
-  static_assert(
-      std::is_fundamental<T>::value && std::is_fundamental<U>::value,
-      "ArrayView reinterpret_cast is only supported for casting between "
-      "fundamental types.");
-  return ArrayView<U, Size>(reinterpret_cast<U*>(view.data()), view.size());
-}
-
 }  //  namespace webrtc
 
 

diff --git a/api/array_view_unittest.cc b/api/array_view_unittest.cc
index bd7e491..ae0f830 100644
--- a/api/array_view_unittest.cc
+++ b/api/array_view_unittest.cc

@@ -611,27 +611,4 @@
   EXPECT_EQ((av.last<2>()).extent, 2u);
 }
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-declarations"
-TEST(ArrayViewTest, TestReinterpretCastFixedSize) {
-  uint8_t bytes[] = {1, 2, 3};
-  ArrayView<uint8_t, 3> uint8_av(bytes);
-  ArrayView<int8_t, 3> int8_av = reinterpret_array_view<int8_t>(uint8_av);
-  EXPECT_EQ(int8_av.size(), uint8_av.size());
-  EXPECT_EQ(int8_av[0], 1);
-  EXPECT_EQ(int8_av[1], 2);
-  EXPECT_EQ(int8_av[2], 3);
-}
-
-TEST(ArrayViewTest, TestReinterpretCastVariableSize) {
-  std::vector<int8_t> v = {1, 2, 3};
-  ArrayView<int8_t> int8_av(v);
-  ArrayView<uint8_t> uint8_av = reinterpret_array_view<uint8_t>(int8_av);
-  EXPECT_EQ(int8_av.size(), uint8_av.size());
-  EXPECT_EQ(uint8_av[0], 1);
-  EXPECT_EQ(uint8_av[1], 2);
-  EXPECT_EQ(uint8_av[2], 3);
-}
-#pragma clang diagnostic pop
-
 }  // namespace webrtc