Revert of Include USB printers in printer list as "provisional" devices.

extensions/common/api/printer_provider/usb_printer_manifest_data.cc

Index: extensions/common/api/printer_provider/usb_printer_manifest_data.cc
diff --git a/extensions/common/api/printer_provider/usb_printer_manifest_data.cc b/extensions/common/api/printer_provider/usb_printer_manifest_data.cc
index 4cfca0082fb140f713b6dce0593ba2bb57718138..61dc9e83bbead07cb385cdeaf0c91b279b754d75 100644
--- a/extensions/common/api/printer_provider/usb_printer_manifest_data.cc
+++ b/extensions/common/api/printer_provider/usb_printer_manifest_data.cc
@@ -5,12 +5,9 @@
 #include "extensions/common/api/printer_provider/usb_printer_manifest_data.h"
 
 #include "base/strings/utf_string_conversions.h"
-#include "device/usb/usb_device.h"
 #include "device/usb/usb_device_filter.h"
 #include "extensions/common/api/extensions_manifest_types.h"
 #include "extensions/common/manifest_constants.h"
-
-using device::UsbDeviceFilter;
 
 namespace extensions {
 
@@ -40,7 +37,7 @@
   scoped_ptr<UsbPrinterManifestData> result(new UsbPrinterManifestData());
   for (const auto& input : usb_printers->filters) {
     DCHECK(input.get());
-    UsbDeviceFilter output;
+    device::UsbDeviceFilter output;
     output.SetVendorId(input->vendor_id);
     if (input->product_id && input->interface_class) {
       *error = base::ASCIIToUTF16(
@@ -64,9 +61,4 @@
   return result.Pass();
 }
 
-bool UsbPrinterManifestData::SupportsDevice(
-    const scoped_refptr<device::UsbDevice>& device) const {
-  return UsbDeviceFilter::MatchesAny(device, filters_);
-}
-
 }  // namespace extensions