Revert "Don't check for presence of "d3dcompiler_47.dll" when running as ARM64, because that file isn't present in the CEF Redist for this architecture. (#3841)"

This reverts commit 0812ea9.

Resolves #4515

Author: amaitland

CefSharp/DependencyChecker.cs

@@ -5,13 +5,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-#if NETCOREAPP
-using System.Linq;
-#endif
 using System.Reflection;
-#if NETCOREAPP
-using System.Runtime.InteropServices;
-#endif
 using System.Text;
 
 namespace CefSharp
@@ -27,11 +21,6 @@ public static class DependencyChecker
         /// </summary>
         public const string LocalesPackFile = @"locales\en-US.pak";
 
-        /// <summary>
-        /// File name of the Direct3D Compiler DLL.
-        /// </summary>
-        private const string D3DCompilerDll = "d3dcompiler_47.dll";
-
         /// <summary>
         /// List of Cef Dependencies
         /// </summary>
@@ -71,8 +60,7 @@ public static class DependencyChecker
             // Note: Without these components HTML5 accelerated content like 2D canvas, 3D CSS and WebGL will not function.
             "libEGL.dll",
             "libGLESv2.dll",
-            // The D3D Compiler isn't included in the win-arm64 redist; we remove it in the static constructor.
-            D3DCompilerDll,
+            "d3dcompiler_47.dll",
             //Crashpad support
             "chrome_elf.dll"
         };
@@ -111,17 +99,6 @@ public static class DependencyChecker
 #endif
         };
 
-#if NETCOREAPP
-        static DependencyChecker()
-        {
-            // win-arm64 doesn't ship with a copy of the D3D Compiler, it's included with the OS.
-            if (RuntimeInformation.ProcessArchitecture is Architecture.Arm64)
-            {
-                CefOptionalDependencies = CefOptionalDependencies.Where(x => x != D3DCompilerDll).ToArray();
-            }
-        }
-#endif
-
         /// <summary>
         /// CheckDependencies iterates through the list of Cef and CefSharp dependencines
         /// relative to the path provided and returns a list of missing ones