Remove all blimp engine code

blimp/engine/feature/geolocation/blimp_location_provider.h

-// Copyright (c) 2016 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 BLIMP_ENGINE_FEATURE_GEOLOCATION_BLIMP_LOCATION_PROVIDER_H_
-#define BLIMP_ENGINE_FEATURE_GEOLOCATION_BLIMP_LOCATION_PROVIDER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "blimp/common/proto/geolocation.pb.h"
-#include "device/geolocation/geoposition.h"
-#include "device/geolocation/location_provider.h"
-
-namespace blimp {
-namespace engine {
-
-// Location provider for Blimp using the device's provider over the network.
-class BlimpLocationProvider : public device::LocationProvider {
- public:
-  // A delegate that implements a subset of LocationProvider's functions.
-  // All methods will be executed on |delegate_task_runner_|.
-  class Delegate {
-   public:
-    using GeopositionReceivedCallback =
-        base::Callback<void(const device::Geoposition&)>;
-    virtual ~Delegate() {}
-
-    virtual void RequestAccuracy(
-        GeolocationSetInterestLevelMessage::Level level) = 0;
-    virtual void OnPermissionGranted() = 0;
-    virtual void SetUpdateCallback(
-        const GeopositionReceivedCallback& callback) = 0;
-  };
-
-  BlimpLocationProvider(
-      base::WeakPtr<Delegate> delegate,
-      scoped_refptr<base::SequencedTaskRunner> delegate_task_runner);
-  ~BlimpLocationProvider() override;
-
-  // device::LocationProvider implementation.
-  bool StartProvider(bool high_accuracy) override;
-  void StopProvider() override;
-  const device::Geoposition& GetPosition() override;
-  void OnPermissionGranted() override;
-  void SetUpdateCallback(
-      const LocationProviderUpdateCallback& callback) override;
-
- private:
-  void OnLocationUpdate(const device::Geoposition& geoposition);
-
-  // This delegate handles a subset of the LocationProvider functionality.
-  base::WeakPtr<Delegate> delegate_;
-
-  scoped_refptr<base::SequencedTaskRunner> delegate_task_runner_;
-  device::Geoposition cached_position_;
-
-  // True if a successful StartProvider call has occured.
-  bool is_started_;
-
-  LocationProviderUpdateCallback location_update_callback_;
-
-  base::WeakPtrFactory<BlimpLocationProvider> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BlimpLocationProvider);
-};
-
-}  // namespace engine
-}  // namespace blimp
-
-#endif  // BLIMP_ENGINE_FEATURE_GEOLOCATION_BLIMP_LOCATION_PROVIDER_H_