blob hacking webcore style

LayoutTests/fast/storage/resources/serialized-script-value.js

 function expectBufferValue(bytesPerElement, expectedValues, buffer) {
     expectedBufferValues = expectedValues;
     var arrayClass;
     if (bytesPerElement == 1)
         arrayClass = Uint8Array;
     else
         arrayClass = Uint16Array;
     bufferView = new arrayClass(buffer);
     shouldBe("bufferView.length", "expectedBufferValues.length");
     var success = (bufferView.length == expectedBufferValues.length);
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             return;
         } else {
             self.thrownException = e;
             self.expectedException = serializeExceptionValue;
             shouldBe("thrownException.code", "expectedException");
             return;
         }
     }
     expectBufferValue(bytesPerElement, values, serialized);
 }
+
+function testBlobSerialization() {
+    debug("");
+    self.blobObj1 = new Blob(['Hi'], {type: 'text/plain'});
+    self.blobObj2 = internals.deserializeBuffer(internals.serializeObject(blobObj1));
+    shouldBeTrue("areValuesIdentical(blobObj1, blobObj2)");
+    self.dictionaryWithBlob1 = {blob: blobObj1, string: 'stringValue'};
+    self.dictionaryWithBlob2 = internals.deserializeBuffer(internals.serializeObject(dictionaryWithBlob1));
+    shouldBeTrue("areValuesIdentical(dictionaryWithBlob1, dictionaryWithBlob2)");
+
+    // Compare contents too.
+    var xhr1 = new XMLHttpRequest();
+    xhr1.open("GET", URL.createObjectURL(self.blobObj1), false);
+    xhr1.send();
+    self.blobContent1 = xhr1.response;
+    var xhr2 = new XMLHttpRequest();
+    xhr2.open("GET", URL.createObjectURL(self.blobObj2), false);
+    xhr2.send();
+    self.blobContent2 = xhr2.response;
+    shouldBe("self.blobContent1", "self.blobContent2");
+}