Simplifying audio network adaptor by moving receiver frame length range to ctor.

webrtc/base/array_view.h

Index: webrtc/base/array_view.h
diff --git a/webrtc/base/array_view.h b/webrtc/base/array_view.h
index 59e0395199f152a5e405d3cb1b53bc3edfd7966d..5c1ffe24897f5307687a7ed7d58c12ab66cee0c6 100644
--- a/webrtc/base/array_view.h
+++ b/webrtc/base/array_view.h
@@ -73,6 +73,9 @@ namespace rtc {
 template <typename T>
 class ArrayView final {
  public:
+  using value_type = T;
+  using const_iterator = const T*;
+
   // Construct an empty ArrayView.
   ArrayView() : ArrayView(static_cast<T*>(nullptr), 0) {}
   ArrayView(std::nullptr_t) : ArrayView() {}