Construct USB descriptors over explicit values.

device/usb/usb_device_filter_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "device/usb/mock_usb_device.h"
 #include "device/usb/usb_descriptors.h"
 #include "device/usb/usb_device_filter.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace device {
 
 namespace {
 
 using testing::Return;
 
 class UsbFilterTest : public testing::Test {
  public:
   void SetUp() override {
-    UsbInterfaceDescriptor interface;
-    interface.interface_number = 1;
-    interface.alternate_setting = 0;
-    interface.interface_class = 0xFF;
-    interface.interface_subclass = 0x42;
-    interface.interface_protocol = 0x01;
-
-    UsbConfigDescriptor config;
-    config.interfaces.push_back(interface);
+    UsbConfigDescriptor config(1, false, false, 0);
+    config.interfaces.emplace_back(1, 0, 0xff, 0x42, 0x01);
 
     android_phone_ = new MockUsbDevice(0x18d1, 0x4ee2, config);
   }
 
  protected:
   scoped_refptr<MockUsbDevice> android_phone_;
 };
 
 TEST_F(UsbFilterTest, MatchAny) {
   UsbDeviceFilter filter;
@@ skipping 81 matching lines @@
 
 TEST_F(UsbFilterTest, MatchesAnyVendorIdNegative) {
   std::vector<UsbDeviceFilter> filters(1);
   filters.back().SetVendorId(0x1d6b);
   ASSERT_FALSE(UsbDeviceFilter::MatchesAny(android_phone_, filters));
 }
 
 }  // namespace
 
 }  // namespace device