Switch to standard integer types in extensions/browser/.

extensions/browser/api/usb/usb_api.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 "extensions/browser/api/usb/usb_api.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 1135 matching lines @@
     return RespondNow(Error(kErrorInvalidNumberOfPackets));
   }
 
   unsigned int packets = transfer.packets;
   if (transfer.packet_length < 0 ||
       transfer.packet_length >= kMaxPacketLength) {
     return RespondNow(Error(kErrorInvalidPacketLength));
   }
 
   unsigned int packet_length = transfer.packet_length;
-  const uint64 total_length = packets * packet_length;
+  const uint64_t total_length = packets * packet_length;
   if (packets > size || total_length > size) {
     return RespondNow(Error(kErrorTransferLength));
   }
 
   scoped_refptr<net::IOBuffer> buffer =
       CreateBufferForTransfer(generic_transfer, direction, size);
   if (!buffer.get()) {
     return RespondNow(Error(kErrorMalformedParameters));
   }
 
@@ skipping 42 matching lines @@
     ReleaseDeviceHandle(parameters_->handle);
 
     scoped_ptr<base::ListValue> error_args(new base::ListValue());
     error_args->AppendBoolean(false);
     // Returning arguments with an error is wrong but we're stuck with it.
     Respond(ErrorWithArguments(std::move(error_args), kErrorResetDevice));
   }
 }
 
 }  // namespace extensions