Clean up geolocation code now that it's all upstream.

chrome/browser/android/location_settings.h

+// Copyright 2015 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_ANDROID_LOCATION_SETTINGS_H_
+#define CHROME_BROWSER_ANDROID_LOCATION_SETTINGS_H_
+
+#include "base/macros.h"
+
+// This class determines whether Chrome can access the device's location,
+// i.e. whether location is enabled system-wide on the device.
+class LocationSettings {
+ public:
+  virtual ~LocationSettings() {}
+
+  // Returns true if location is enabled system-wide (in Android settings)
+  // and browser-wide (in Chrome location settings).
+  virtual bool IsLocationEnabled() = 0;
+};
+
+#endif  // CHROME_BROWSER_ANDROID_LOCATION_SETTINGS_H_