Match against all configurations in UsbDeviceFilter.

device/usb/mock_usb_device.cc

Index: device/usb/mock_usb_device.cc
diff --git a/device/usb/mock_usb_device.cc b/device/usb/mock_usb_device.cc
index bd7cb54dea7321aac633132591a276e0f3547ebf..da902c09278b05c73eb672d88cb2576832360be1 100644
--- a/device/usb/mock_usb_device.cc
+++ b/device/usb/mock_usb_device.cc
@@ -38,6 +38,13 @@ MockUsbDevice::MockUsbDevice(uint16 vendor_id,
   webusb_landing_page_ = webusb_landing_page;
 }
 
+MockUsbDevice::MockUsbDevice(uint16 vendor_id,
+                             uint16 product_id,
+                             const UsbConfigDescriptor& configuration)
+    : MockUsbDevice(vendor_id, product_id) {
+  configurations_.push_back(configuration);
+}
+
 MockUsbDevice::~MockUsbDevice() {
 }