Cleanup specs

Author: ggetz

Source/Core/TaskProcessor.js

@@ -173,7 +173,7 @@ define([
         };
 
         // Web assembly not supported, use fallback js module if provided
-        if (!processor._supportsWasm) {
+        if (!FeatureDetection.supportsWebAssembly()) {
             if (!defined(wasmOptions.fallbackModulePath)) {
                 throw new RuntimeError('This browser does not support Web Assembly, and no backup module was provided for ' + processor._workerName);
             }
@@ -214,7 +214,6 @@ define([
         this._activeTasks = 0;
         this._deferreds = {};
         this._nextID = 0;
-        this._supportsWasm = FeatureDetection.supportsWebAssembly(); // exposed for testing purposes
     }
 
     var emptyTransferableObjectArray = [];

Source/Workers/decodeDraco.js

@@ -225,6 +225,10 @@ define([
             // Require and compile WebAssembly module, or use fallback if not supported
             return require([wasmConfig.modulePath], function(dracoModule) {
                 if (defined(wasmConfig.wasmBinaryFile)) {
+                    if (!defined(dracoModule)) {
+                        dracoModule = self.DracoDecoderModule;
+                    }
+
                     dracoModule(wasmConfig).then(function (compiledModule) {
                         initWorker(compiledModule);
                     });

Specs/Core/TaskProcessorSpec.js

@@ -190,7 +190,8 @@ defineSuite([
     it('uses a backup module if web assembly is not supported', function() {
         var binaryUrl = absolutize(require.toUrl('../TestWorkers/TestWasm/testWasm.wasm'));
         taskProcessor = new TaskProcessor('returnWasmConfig', 5);
-        taskProcessor._supportsWasm = false;
+
+        spyOn(FeatureDetection, 'supportsWebAssembly').and.returnValue(false);
 
         var promise = taskProcessor.initWebAssemblyModule({
             modulePath : 'TestWasm/testWasmWrapper',
@@ -208,7 +209,8 @@ defineSuite([
     it('throws runtime error if web assembly is not supported and no backup is provided', function() {
         var binaryUrl = absolutize(require.toUrl('../TestWorkers/TestWasm/testWasm.wasm'));
         taskProcessor = new TaskProcessor('returnWasmConfig', 5);
-        taskProcessor._supportsWasm = false;
+
+        spyOn(FeatureDetection, 'supportsWebAssembly').and.returnValue(false);
 
         expect(function () {
             taskProcessor.initWebAssemblyModule({