WebUSB: Create a requestDevice method separate from getDevice.

public/platform/modules/webusb/WebUSBDeviceRequestOptions.h

Index: public/platform/modules/webusb/WebUSBDeviceRequestOptions.h
diff --git a/public/platform/modules/webusb/WebUSBDeviceEnumerationOptions.h b/public/platform/modules/webusb/WebUSBDeviceRequestOptions.h
similarity index 59%
rename from public/platform/modules/webusb/WebUSBDeviceEnumerationOptions.h
rename to public/platform/modules/webusb/WebUSBDeviceRequestOptions.h
index 85a65df013b980b744c0d215a72e0102bc013532..f4165843d80038afb59aa420898c78c8391d3dc9 100644
--- a/public/platform/modules/webusb/WebUSBDeviceEnumerationOptions.h
+++ b/public/platform/modules/webusb/WebUSBDeviceRequestOptions.h
@@ -2,19 +2,19 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef WebUSBDeviceEnumerationOptions_h
-#define WebUSBDeviceEnumerationOptions_h
+#ifndef WebUSBDeviceRequestOptions_h
+#define WebUSBDeviceRequestOptions_h
 
 #include "public/platform/WebVector.h"
 #include "public/platform/modules/webusb/WebUSBDeviceFilter.h"
 
 namespace blink {
 
-// Options which constrain the set of devices returned in device enumeration.
-struct WebUSBDeviceEnumerationOptions {
+// Options which constrain the kind of devices the user is prompted to select.
+struct WebUSBDeviceRequestOptions {
     WebVector<WebUSBDeviceFilter> filters;
 };
 
 } // namespace blink
 
-#endif // WebUSBDeviceEnumerationOptions_h
+#endif // WebUSBDeviceRequestOptions_h