Expose WebNN API to shared workers and service workers (#823)

Resolves #804

Author: inexorabletash

index.bs

@@ -757,7 +757,7 @@ API {#api}
 
 ## The navigator.ml interface ## {#api-navigator-ml}
 
-An {{ML}} object is available in the {{Window}} and {{DedicatedWorkerGlobalScope}} contexts through the {{Navigator}}
+An {{ML}} object is available in the {{Window}} and {{WorkerGlobalScope}} contexts through the {{Navigator}}
 and {{WorkerNavigator}} interfaces respectively and is exposed via `navigator.ml`.
 
 <script type=idl>
@@ -780,7 +780,7 @@ dictionary MLContextOptions {
   MLPowerPreference powerPreference = "default";
 };
 
-[SecureContext, Exposed=(Window, DedicatedWorker)]
+[SecureContext, Exposed=(Window, Worker)]
 interface ML {
   Promise<MLContext> createContext(optional MLContextOptions options = {});
   Promise<MLContext> createContext(GPUDevice gpuDevice);
@@ -865,7 +865,7 @@ dictionary MLContextLostInfo {
   DOMString message;
 };
 
-[SecureContext, Exposed=(Window, DedicatedWorker)]
+[SecureContext, Exposed=(Window, Worker)]
 interface MLContext {
   undefined dispatch(MLGraph graph, MLNamedTensors inputs, MLNamedTensors outputs);
 
@@ -1284,7 +1284,7 @@ A {{MLContext}} <dfn for=MLContext lt="is lost|is not lost">is lost</dfn> if its
 The {{MLGraph}} interface represents a compiled computational graph. A compiled graph once constructed is immutable and cannot be subsequently changed.
 
 <script type=idl>
-[SecureContext, Exposed=(Window, DedicatedWorker)]
+[SecureContext, Exposed=(Window, Worker)]
 interface MLGraph {
   undefined destroy();
 };
@@ -1418,7 +1418,7 @@ An {{MLOperand}} represents an intermediary graph being constructed as a result
 For instance, an {{MLOperand}} can represent a constant feeding to an operation or the result from combining multiple constants together into an operation. See also [[#programming-model]].
 
 <script type=idl>
-[SecureContext, Exposed=(Window, DedicatedWorker)]
+[SecureContext, Exposed=(Window, Worker)]
 interface MLOperand {
   readonly attribute MLOperandDataType dataType;
   readonly attribute FrozenArray<unsigned long> shape;
@@ -1542,7 +1542,7 @@ The {{MLTensor}} interface represents a tensor which may be used as an input or
 The [=implementation-defined=] requirements of how an {{MLTensor}} is allocated may include constraints such as that the memory is allocated with a particular byte alignment or in a particular memory pool.
 
 <script type=idl>
-[SecureContext, Exposed=(Window, DedicatedWorker)]
+[SecureContext, Exposed=(Window, Worker)]
 interface MLTensor {
   readonly attribute MLOperandDataType dataType;
   readonly attribute FrozenArray<unsigned long> shape;
@@ -1629,7 +1629,7 @@ The {{MLGraphBuilder}} interface defines a set of operations as identified by th
 <script type=idl>
 typedef record<USVString, MLOperand> MLNamedOperands;
 
-[SecureContext, Exposed=(Window, DedicatedWorker)]
+[SecureContext, Exposed=(Window, Worker)]
 interface MLGraphBuilder {
   // Construct the graph builder from the context.
   constructor(MLContext context);