Add support for sending a USB SET_CONFIGURATION request.

device/usb/usb_device_filter.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 "device/usb/usb_device_filter.h"
 
 #include "base/values.h"
 #include "device/usb/usb_descriptors.h"
 #include "device/usb/usb_device.h"
 
@@ skipping 50 matching lines @@
     if (device->vendor_id() != vendor_id_) {
       return false;
     }
 
     if (product_id_set_ && device->product_id() != product_id_) {
       return false;
     }
   }
 
   if (interface_class_set_) {
-    bool foundMatch = false;
-    const UsbConfigDescriptor& config = device->GetConfiguration();
+    const UsbConfigDescriptor* config = device->GetConfiguration();
+    if (!config) {
+      return false;
+    }
 
     // TODO(reillyg): Check device configuration if the class is not defined at
     // a per-interface level. This is not really important because most devices
     // have per-interface classes. The only counter-examples I know of are hubs.
 
-    for (UsbInterfaceDescriptor::Iterator ifaceIt = config.interfaces.begin();
-         ifaceIt != config.interfaces.end() && !foundMatch;
-         ++ifaceIt) {
-      if (ifaceIt->interface_class == interface_class_ &&
+    bool foundMatch = false;
+    for (const UsbInterfaceDescriptor& iface : config->interfaces) {
+      if (iface.interface_class == interface_class_ &&
           (!interface_subclass_set_ ||
-           (ifaceIt->interface_subclass == interface_subclass_ &&
+           (iface.interface_subclass == interface_subclass_ &&
             (!interface_protocol_set_ ||
-             ifaceIt->interface_protocol == interface_protocol_)))) {
+             iface.interface_protocol == interface_protocol_)))) {
         foundMatch = true;
       }
     }
 
     if (!foundMatch) {
       return false;
     }
   }
 
   return true;
@@ skipping 29 matching lines @@
        i != filters.end();
        ++i) {
     if (i->Matches(device)) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace device