Update Gears wifi data providers to Chrome style & APIs....

chrome/browser/geolocation/empty_device_data_provider.h

-// 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.
+// Copyright (c) 2010 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.
 
-#ifndef GEARS_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H__
-#define GEARS_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H__
+#ifndef CHROME_BROWSER_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H_
+#define CHROME_BROWSER_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H_
 
-#include "gears/geolocation/device_data_provider.h"
+#include "chrome/browser/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 StartDataProvider() { return true; }
   virtual bool GetData(DataType *data) {
     assert(data);
     // This is all the data we can get - nothing.
     return true;
   }
 
  private:
-  DISALLOW_EVIL_CONSTRUCTORS(EmptyDeviceDataProvider);
+  DISALLOW_COPY_AND_ASSIGN(EmptyDeviceDataProvider);
 };
 
-#endif  // GEARS_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H__
+#endif  // CHROME_BROWSER_GEOLOCATION_EMPTY_DEVICE_DATA_PROVIDER_H_