Track USB device configuration state in Blink.

device/usb/usb_device_android.cc

 // Copyright 2015 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 "device/usb/usb_device_android.h"
 
 #include "base/android/build_info.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 34 matching lines @@
       ConvertJavaStringToUTF16(env, manufacturer_string),
       ConvertJavaStringToUTF16(env, product_string),
       ConvertJavaStringToUTF16(env, serial_number), wrapper));
 }
 
 void UsbDeviceAndroid::Open(const OpenCallback& callback) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 base::Bind(callback, nullptr));
 }
 
-const UsbConfigDescriptor* UsbDeviceAndroid::GetActiveConfiguration() {
+const UsbConfigDescriptor* UsbDeviceAndroid::GetActiveConfiguration() const {
   return nullptr;
 }
 
 UsbDeviceAndroid::UsbDeviceAndroid(JNIEnv* env,
                                    uint16_t vendor_id,
                                    uint16_t product_id,
                                    const base::string16& manufacturer_string,
                                    const base::string16& product_string,
                                    const base::string16& serial_number,
                                    const JavaRef<jobject>& wrapper)
@@ skipping 31 matching lines @@
           env, env->GetObjectArrayElement(interfaces.obj(), i));
       config.interfaces.push_back(UsbInterfaceAndroid::Convert(env, interface));
     }
     configurations_.push_back(config);
   }
 }
 
 UsbDeviceAndroid::~UsbDeviceAndroid() {}
 
 }  // namespace device