[WebNN] Remove MLTensorUsage

Which has been removed from Chromium:
https://chromium-review.googlesource.com/c/chromium/src/+/6015318

js/web/lib/wasm/jsep/webnn/tensor-manager.ts

@@ -195,8 +195,7 @@ class TensorIdTracker {
     }
 
     // eslint-disable-next-line no-bitwise
-    const usage = MLTensorUsage.READ | MLTensorUsage.WRITE;
-    this.wrapper = await this.tensorManager.getCachedTensor(dataType, shape, usage, true, true);
+    this.wrapper = await this.tensorManager.getCachedTensor(dataType, shape, true, true);
 
     if (copyOld && this.activeUpload) {
       this.wrapper.write(this.activeUpload);
@@ -329,7 +328,7 @@ class TensorManagerImpl implements TensorManager {
     shape: readonly number[],
   ): TensorId {
     const tensorId = createNewTensorId();
-    // Defaulting to READ | WRITE if usage is not provided.
+    // Defaulting writable and readable to true if they are not provided.
     // eslint-disable-next-line no-bitwise
     const wrapper = new TensorWrapper({
       sessionId: this.backend.currentSessionId,
@@ -349,7 +348,6 @@ class TensorManagerImpl implements TensorManager {
   public async getCachedTensor(
     dataType: MLOperandDataType,
     shape: readonly number[],
-    usage: MLTensorUsageFlags,
     writable: boolean,
     readable: boolean,
   ): Promise<TensorWrapper> {
@@ -368,7 +366,6 @@ class TensorManagerImpl implements TensorManager {
       dataType,
       shape,
       dimensions: shape,
-      usage,
       writable,
       readable,
     });

js/web/lib/wasm/jsep/webnn/webnn.d.ts

@@ -390,17 +390,7 @@ interface MLTensor {
 
 type MLNamedTensor = Record<string, MLTensor>;
 
-type MLTensorUsageFlags = number;
-
-// TODO(@Honry): Remove this once it is deprecated in Chromium.
-declare const MLTensorUsage: {
-  readonly WEBGPU_INTEROP: MLTensorUsageFlags;
-  readonly READ: MLTensorUsageFlags;
-  readonly WRITE: MLTensorUsageFlags;
-};
-
 interface MLTensorDescriptor extends MLOperandDescriptor {
-  usage: MLTensorUsageFlags;
   importableToWebGPU?: boolean;
   readable?: boolean;
   writable?: boolean;

js/web/test/test-runner.ts

@@ -661,7 +661,6 @@ async function createMLTensorForOutput(mlContext: MLContext, type: ort.Tensor.Ty
     shape: dims as number[],
     // Assign both shape and dimensions while transitioning to new API.
     dimensions: dims as number[],
-    usage: MLTensorUsage.READ,
     readable: true,
   });
 
@@ -686,7 +685,6 @@ async function createMLTensorForInput(mlContext: MLContext, cpuTensor: ort.Tenso
     shape: cpuTensor.dims as number[],
     // Assign both shape and dimensions while transitioning to new API.
     dimensions: cpuTensor.dims as number[],
-    usage: MLTensorUsage.WRITE,
     writable: true,
   });
   mlContext.writeTensor(mlTensor, cpuTensor.data);