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-rw-r--r--chrome/browser/geolocation/empty_device_data_provider.h51
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diff --git a/chrome/browser/geolocation/empty_device_data_provider.h b/chrome/browser/geolocation/empty_device_data_provider.h
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--- a/chrome/browser/geolocation/empty_device_data_provider.h
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-// Copyright 2008, Google Inc.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-// 2. Redistributions in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-// 3. Neither the name of Google Inc. nor the names of its contributors may be
-// used to endorse or promote products derived from this software without
-// specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
-// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef GEARS_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H__
-#define GEARS_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H__
-
-#include "gears/geolocation/device_data_provider.h"
-
-// An implementation of DeviceDataProviderImplBase that does not provide any
-// data. Used on platforms where a given data type is not available.
-
-template<typename DataType>
-class EmptyDeviceDataProvider : public DeviceDataProviderImplBase<DataType> {
- public:
- EmptyDeviceDataProvider() {}
- virtual ~EmptyDeviceDataProvider() {}
-
- // DeviceDataProviderImplBase implementation
- virtual bool GetData(DataType *data) {
- assert(data);
- // This is all the data we can get - nothing.
- return true;
- }
-
- private:
- DISALLOW_EVIL_CONSTRUCTORS(EmptyDeviceDataProvider);
-};
-
-#endif // GEARS_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H__