| Index: device/bluetooth/bluetooth_uuid.cc
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| diff --git a/device/bluetooth/bluetooth_uuid.cc b/device/bluetooth/bluetooth_uuid.cc
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| index 714d1c5c3409ddffbe8357926e2c131fed1cff18..792515a1e69ca1e43c2371076b5b00192647b70e 100644
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| --- a/device/bluetooth/bluetooth_uuid.cc
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| +++ b/device/bluetooth/bluetooth_uuid.cc
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| @@ -7,6 +7,7 @@
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|  #include "base/basictypes.h"
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|  #include "base/logging.h"
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|  #include "base/strings/string_util.h"
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| +#include "ipc/ipc_message.h"
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|  
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|  namespace device {
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|  
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| @@ -93,3 +94,27 @@ void PrintTo(const BluetoothUUID& uuid, std::ostream* out) {
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|  }
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|  
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|  }  // namespace device
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| +
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| +void IPC::ParamTraits<device::BluetoothUUID>::Write(Message* m,
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| +                                                    const param_type& p) {
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| +  m->WriteString(p.canonical_value());
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| +}
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| +
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| +bool IPC::ParamTraits<device::BluetoothUUID>::Read(const Message* m,
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| +                                                   base::PickleIterator* iter,
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| +                                                   param_type* r) {
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| +  std::string value;
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| +  if (!iter->ReadString(&value))
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| +    return false;
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| +  *r = device::BluetoothUUID(value);
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| +  // If the format isn't 128-bit, .value() would return a different answer than
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| +  // .canonical_value(). Then if browser-side code accidentally checks .value()
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| +  // against a 128-bit string literal, a hostile renderer could use the 16- or
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| +  // 32-bit format and evade the check.
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| +  return r->format() == device::BluetoothUUID::kFormat128Bit;
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| +}
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| +
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| +void IPC::ParamTraits<device::BluetoothUUID>::Log(const param_type& p,
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| +                                                  std::string* l) {
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| +  l->append(p.canonical_value());
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| +}
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| 
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