[test] Add IDL test for Web ML Polyfill API.

Author: BruceDai

test/wpt/interfaces/webml.idl

@@ -0,0 +1,93 @@
+partial interface Navigator {
+  readonly attribute ML ml;
+};
+
+interface ML {
+  NeuralNetworkContext getNeuralNetworkContext();
+};
+
+interface NeuralNetworkContext {
+  // Operand types.
+  const long FLOAT32 = 0;
+  const long INT32 = 1;
+  const long UINT32 = 2;
+  const long TENSOR_FLOAT32 = 3;
+  const long TENSOR_INT32 = 4;
+  const long TENSOR_QUANT8_ASYMM = 5;
+
+  // Operation types.
+  const long ADD = 0;
+  const long AVERAGE_POOL_2D = 1;
+  const long CONCATENATION = 2;
+  const long CONV_2D = 3;
+  const long DEPTHWISE_CONV_2D = 4;
+  const long DEPTH_TO_SPACE = 5;
+  const long DEQUANTIZE = 6;
+  const long EMBEDDING_LOOKUP = 7;
+  const long FLOOR = 8;
+  const long FULLY_CONNECTED = 9;
+  const long HASHTABLE_LOOKUP = 10;
+  const long L2_NORMALIZATION = 11;
+  const long L2_POOL_2D = 12;
+  const long LOCAL_RESPONSE_NORMALIZATION = 13;
+  const long LOGISTIC = 14;
+  const long LSH_PROJECTION = 15;
+  const long LSTM = 16;
+  const long MAX_POOL_2D = 17;
+  const long MUL = 18;
+  const long RELU = 19;
+  const long RELU1 = 20;
+  const long RELU6 = 21;
+  const long RESHAPE = 22;
+  const long RESIZE_BILINEAR = 23;
+  const long RNN = 24;
+  const long SOFTMAX = 25;
+  const long SPACE_TO_DEPTH = 26;
+  const long SVDF = 27;
+  const long TANH = 28;
+
+  // Fused activation function types.
+  const long FUSED_NONE = 0;
+  const long FUSED_RELU = 1;
+  const long FUSED_RELU1 = 2;
+  const long FUSED_RELU6 = 3;
+
+  // Implicit padding algorithms.
+  const long PADDING_SAME = 1;
+  const long PADDING_VALID = 2;
+
+  // Execution preferences.
+  const long PREFER_LOW_POWER = 0;
+  const long PREFER_FAST_SINGLE_ANSWER = 1;
+  const long PREFER_SUSTAINED_SPEED = 2;
+
+  Promise<Model> createModel();
+};
+
+dictionary OperandOptions {
+  required long type;
+  sequence<unsigned long> dimensions;
+  float scale;
+  long zeroPoint;
+};
+
+interface Model {
+  void addOperand(OperandOptions options);
+  void setOperandValue(unsigned long index, ArrayBufferView data);
+  void addOperation(long type, sequence<unsigned long> inputs, sequence<unsigned long> outputs);
+  void identifyInputsAndOutputs(sequence<unsigned long> inputs, sequence<unsigned long> outputs);
+  Promise<long> finish();
+  Promise<Compilation> createCompilation();
+};
+
+interface Compilation {
+  void setPreference(long preference);
+  Promise<long> finish();
+  Promise<Execution> createExecution();
+};
+
+interface Execution {
+  void setInput(unsigned long index, ArrayBufferView data);
+  void setOutput(unsigned long index, ArrayBufferView data);
+  Promise<long> startCompute();
+};