Revert of Reland: Geolocation: move from content/browser to device/

content/browser/geolocation/geolocation_service_impl.h

Index: content/browser/geolocation/geolocation_service_impl.h
diff --git a/content/browser/geolocation/geolocation_service_impl.h b/content/browser/geolocation/geolocation_service_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..9265db3bd72751102ef8973526a781e7f224d767
--- /dev/null
+++ b/content/browser/geolocation/geolocation_service_impl.h
@@ -0,0 +1,84 @@
+// Copyright 2014 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.
+
+#include <memory>
+
+#include "base/macros.h"
+#include "content/browser/geolocation/geolocation_provider_impl.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "third_party/WebKit/public/platform/modules/geolocation/geolocation.mojom.h"
+
+#ifndef CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_SERVICE_IMPL_H_
+#define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_SERVICE_IMPL_H_
+
+namespace content {
+
+class GeolocationProvider;
+class GeolocationServiceContext;
+
+// Implements the GeolocationService Mojo interface.
+class GeolocationServiceImpl : public blink::mojom::GeolocationService {
+ public:
+  // |context| must outlive this object. |update_callback| will be called when
+  // location updates are sent, allowing the client to know when the service
+  // is being used.
+  GeolocationServiceImpl(
+      mojo::InterfaceRequest<blink::mojom::GeolocationService> request,
+      GeolocationServiceContext* context,
+      const base::Closure& update_callback);
+  ~GeolocationServiceImpl() override;
+
+  // Starts listening for updates.
+  void StartListeningForUpdates();
+
+  // Pauses and resumes sending updates to the client of this instance.
+  void PauseUpdates();
+  void ResumeUpdates();
+
+  // Enables and disables geolocation override.
+  void SetOverride(const Geoposition& position);
+  void ClearOverride();
+
+ private:
+  // blink::mojom::GeolocationService:
+  void SetHighAccuracy(bool high_accuracy) override;
+  void QueryNextPosition(const QueryNextPositionCallback& callback) override;
+
+  void OnConnectionError();
+
+  void OnLocationUpdate(const Geoposition& position);
+  void ReportCurrentPosition();
+
+  // The binding between this object and the other end of the pipe.
+  mojo::Binding<blink::mojom::GeolocationService> binding_;
+
+  // Owns this object.
+  GeolocationServiceContext* context_;
+  std::unique_ptr<GeolocationProvider::Subscription> geolocation_subscription_;
+
+  // Callback that allows the instantiator of this class to be notified on
+  // position updates.
+  base::Closure update_callback_;
+
+  // The callback passed to QueryNextPosition.
+  QueryNextPositionCallback position_callback_;
+
+  // Valid iff SetOverride() has been called and ClearOverride() has not
+  // subsequently been called.
+  Geoposition position_override_;
+
+  blink::mojom::Geoposition current_position_;
+
+  // Whether this instance is currently observing location updates with high
+  // accuracy.
+  bool high_accuracy_;
+
+  bool has_position_to_report_;
+
+  DISALLOW_COPY_AND_ASSIGN(GeolocationServiceImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_SERVICE_IMPL_H_