[arraybuffer] Delete deprecatedByteLengthAsUnsigned

R=haraken@chromium.org

Bug: chromium:1008840
Change-Id: I0a5c6acbbadb4868763eab71049b5322eb21e0aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2521813Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826209}

third_party/blink/renderer/core/typed_arrays/dom_array_buffer_base.h

@@ -27,12 +27,6 @@ class CORE_EXPORT DOMArrayBufferBase : public ScriptWrappable {
 
   size_t ByteLengthAsSizeT() const { return contents_.DataLength(); }
 
-  // This function is deprecated and should not be used. Use {ByteLengthAsSizeT}
-  // instead.
-  unsigned DeprecatedByteLengthAsUnsigned() const {
-    return base::checked_cast<unsigned>(contents_.DataLength());
-  }
-
   bool IsDetached() const { return is_detached_; }
 
   void Detach() { is_detached_ = true; }

third_party/blink/renderer/core/typed_arrays/dom_array_buffer_view.h

@@ -103,17 +103,9 @@ class CORE_EXPORT DOMArrayBufferView : public ScriptWrappable {
   size_t byteOffsetAsSizeT() const {
     return !IsDetached() ? raw_byte_offset_ : 0;
   }
-  // This function is deprecated and should not be used. Use {byteOffsetAsSizeT}
-  // instead.
-  unsigned deprecatedByteOffsetAsUnsigned() const {
-    return base::checked_cast<unsigned>(byteOffsetAsSizeT());
-  }
+
   virtual size_t byteLengthAsSizeT() const = 0;
-  // This function is deprecated and should not be used. Use {byteLengthAsSizeT}
-  // instead.
-  unsigned deprecatedByteLengthAsUnsigned() const {
-    return base::checked_cast<unsigned>(byteLengthAsSizeT());
-  }
+
   virtual unsigned TypeSize() const = 0;
   bool IsShared() const { return dom_array_buffer_->IsShared(); }