Layering: Rename InitializeHostDefinedRealm as MakeRealm

Author: jmdyck

spec.html

@@ -11645,7 +11645,7 @@ <h1>Realms</h1>
 
     <emu-clause id="sec-initializehostdefinedrealm" type="abstract operation" oldids="sec-createrealm,sec-setrealmglobalobject">
       <h1>
-        InitializeHostDefinedRealm (
+        MakeRealm (
           _customizations_: an Abstract Closure that takes a Realm Record and returns a List of 2 elements, each of which is either an Object or *undefined*,
         ): an execution context
       </h1>
@@ -11781,7 +11781,7 @@ <h1>Execution Contexts</h1>
             ScriptOrModule
           </td>
           <td>
-            The Module Record or Script Record from which associated code originates. If there is no originating script or module, as is the case for the original execution context created in InitializeHostDefinedRealm, the value is *null*.
+            The Module Record or Script Record from which associated code originates. If there is no originating script or module, as is the case for the original execution context created in MakeRealm, the value is *null*.
           </td>
         </tr>
       </table>
@@ -53307,7 +53307,7 @@ <h1>Host Hooks</h1>
     <p><b>HostMakeJobCallback(...)</b></p>
     <p><b>HostPromiseRejectionTracker(...)</b></p>
     <p><b>HostResizeArrayBuffer(...)</b></p>
-    <p><b>InitializeHostDefinedRealm(...)</b></p>
+    <p><b>MakeRealm(...)</b></p>
   </emu-annex>
 
   <emu-annex id="sec-host-defined-fields-summary">