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diff --git a/chrome/browser/geolocation/mock_location_provider.h b/chrome/browser/geolocation/mock_location_provider.h
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+// 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 CHROME_BROWSER_GEOLOCATION_MOCK_LOCATION_PROVIDER_H_
+#define CHROME_BROWSER_GEOLOCATION_MOCK_LOCATION_PROVIDER_H_
+
+#include "chrome/browser/geolocation/location_provider.h"
+
+// Mock implementation of a location provider for testing.
+class MockLocationProvider : public LocationProviderBase {
+ public:
+  MockLocationProvider();
+  virtual ~MockLocationProvider();
+
+  using LocationProviderBase::UpdateListeners;
+  using LocationProviderBase::InformListenersOfMovement;
+
+  // LocationProviderBase implementation.
+  virtual bool StartProvider();
+  virtual void GetPosition(Geoposition *position);
+
+  Geoposition position_;
+  int started_count_;
+
+  // Set when an instance of the mock is created via a factory function.
+  static MockLocationProvider* instance_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockLocationProvider);
+};
+
+// Factory functions for the various sorts of mock location providers,
+// for use with GeolocationArbitrator::SetProviderFactoryForTest (i.e.
+// not intended for test code to use to get access to the mock, you can use
+// MockLocationProvider::instance_ for this, or make a custom facotry method).
+
+// Creates a mock location provider with no default behavior.
+LocationProviderBase* NewMockLocationProvider();
+// Creates a mock location provider that automatically notifies its
+// listeners with a valid location when StartProvider is called.
+LocationProviderBase* NewAutoSuccessMockLocationProvider();
+// Creates a mock location provider that automatically notifies its
+// listeners with an error when StartProvider is called.
+LocationProviderBase* NewAutoFailMockLocationProvider();
+
+#endif  // CHROME_BROWSER_GEOLOCATION_MOCK_LOCATION_PROVIDER_H_