Revert of GeoLocation: add support for GmsCore location provider

device/geolocation/android/java/src/org/chromium/device/geolocation/LocationProviderGmsCore.java

Index: device/geolocation/android/java/src/org/chromium/device/geolocation/LocationProviderGmsCore.java
diff --git a/device/geolocation/android/java/src/org/chromium/device/geolocation/LocationProviderGmsCore.java b/device/geolocation/android/java/src/org/chromium/device/geolocation/LocationProviderGmsCore.java
deleted file mode 100644
index aed6822628075ad7b58ae0f5a21f8b40d6e8299d..0000000000000000000000000000000000000000
--- a/device/geolocation/android/java/src/org/chromium/device/geolocation/LocationProviderGmsCore.java
+++ /dev/null
@@ -1,136 +0,0 @@
-// Copyright 2017 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.
-
-package org.chromium.device.geolocation;
-
-import android.content.Context;
-import android.location.Location;
-import android.os.Bundle;
-
-import com.google.android.gms.common.ConnectionResult;
-import com.google.android.gms.common.GoogleApiAvailability;
-import com.google.android.gms.common.api.GoogleApiClient;
-import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks;
-import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListener;
-import com.google.android.gms.location.FusedLocationProviderApi;
-import com.google.android.gms.location.LocationListener;
-import com.google.android.gms.location.LocationRequest;
-import com.google.android.gms.location.LocationServices;
-
-import org.chromium.base.Log;
-import org.chromium.base.ThreadUtils;
-
-/**
- * This is a LocationProvider using Google Play Services.
- *
- * https://developers.google.com/android/reference/com/google/android/gms/location/package-summary
- */
-public class LocationProviderGmsCore implements ConnectionCallbacks, OnConnectionFailedListener,
-                                                LocationListener,
-                                                LocationProviderFactory.LocationProvider {
-    private static final String TAG = "cr_LocationProvider";
-
-    // Values for the LocationRequest's setInterval for normal and high accuracy, respectively.
-    private static final long UPDATE_INTERVAL_MS = 1000;
-    private static final long UPDATE_INTERVAL_FAST_MS = 500;
-
-    private final GoogleApiClient mGoogleApiClient;
-    private FusedLocationProviderApi mLocationProviderApi = LocationServices.FusedLocationApi;
-
-    private boolean mEnablehighAccuracy;
-    private LocationRequest mLocationRequest;
-
-    public static boolean isGooglePlayServicesAvailable(Context context) {
-        return GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(context)
-                == ConnectionResult.SUCCESS;
-    }
-
-    LocationProviderGmsCore(Context context) {
-        Log.i(TAG, "Google Play Services");
-        mGoogleApiClient = new GoogleApiClient.Builder(context)
-                                   .addApi(LocationServices.API)
-                                   .addConnectionCallbacks(this)
-                                   .addOnConnectionFailedListener(this)
-                                   .build();
-        assert mGoogleApiClient != null;
-    }
-
-    LocationProviderGmsCore(GoogleApiClient client, FusedLocationProviderApi locationApi) {
-        mGoogleApiClient = client;
-        mLocationProviderApi = locationApi;
-    }
-
-    // ConnectionCallbacks implementation
-    @Override
-    public void onConnected(Bundle connectionHint) {
-        ThreadUtils.assertOnUiThread();
-
-        mLocationRequest = LocationRequest.create();
-        if (mEnablehighAccuracy) {
-            mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY)
-                    .setInterval(UPDATE_INTERVAL_FAST_MS);
-        } else {
-            mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY)
-                    .setInterval(UPDATE_INTERVAL_MS);
-        }
-
-        final Location location = mLocationProviderApi.getLastLocation(mGoogleApiClient);
-        if (location != null) {
-            LocationProviderAdapter.onNewLocationAvailable(location);
-        }
-
-        try {
-            // Request updates on UI Thread replicating LocationProviderAndroid's behaviour.
-            mLocationProviderApi.requestLocationUpdates(
-                    mGoogleApiClient, mLocationRequest, this, ThreadUtils.getUiThreadLooper());
-        } catch (IllegalStateException e) {
-            // Happens "If this method is executed in a thread that has not called Looper.prepare()"
-            Log.e(TAG, "Unexpected exception " + e);
-            assert false;
-        }
-    }
-
-    @Override
-    public void onConnectionSuspended(int cause) {}
-
-    // OnConnectionFailedListener implementation
-    @Override
-    public void onConnectionFailed(ConnectionResult result) {
-        LocationProviderAdapter.newErrorAvailable(
-                "Failed to connect to Google Play Services: " + result.toString());
-    }
-
-    // LocationProviderFactory.LocationProvider implementation
-    @Override
-    public void start(boolean enableHighAccuracy) {
-        ThreadUtils.assertOnUiThread();
-        if (mGoogleApiClient.isConnected()) mGoogleApiClient.disconnect();
-
-        mEnablehighAccuracy = enableHighAccuracy;
-        mGoogleApiClient.connect(); // Should return via onConnected().
-    }
-
-    @Override
-    public void stop() {
-        ThreadUtils.assertOnUiThread();
-        if (!mGoogleApiClient.isConnected()) return;
-
-        mLocationProviderApi.removeLocationUpdates(mGoogleApiClient, this);
-
-        mGoogleApiClient.disconnect();
-    }
-
-    @Override
-    public boolean isRunning() {
-        assert ThreadUtils.runningOnUiThread();
-        if (mGoogleApiClient == null) return false;
-        return mGoogleApiClient.isConnecting() || mGoogleApiClient.isConnected();
-    }
-
-    // LocationListener implementation
-    @Override
-    public void onLocationChanged(Location location) {
-        LocationProviderAdapter.onNewLocationAvailable(location);
-    }
-}