android: move ResourcePrefetchPredictor usage to LoadingPredictor.

chrome/android/java/src/org/chromium/chrome/browser/customtabs/ResourcePrefetchPredictor.java

Index: chrome/android/java/src/org/chromium/chrome/browser/customtabs/ResourcePrefetchPredictor.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/ResourcePrefetchPredictor.java b/chrome/android/java/src/org/chromium/chrome/browser/customtabs/ResourcePrefetchPredictor.java
deleted file mode 100644
index 215af894e2fd386dd3f7bcc65d67672994044568..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/customtabs/ResourcePrefetchPredictor.java
+++ /dev/null
@@ -1,67 +0,0 @@
-// Copyright 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.
-
-package org.chromium.chrome.browser.customtabs;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.annotations.JNINamespace;
-import org.chromium.chrome.browser.profiles.Profile;
-
-/**
- * Interface to the resource prefetch predictor.
- *
- * This allows to initiate and abort prefetches of likely subresources, based on
- * the local browsing history.
- */
-@JNINamespace("predictors")
-class ResourcePrefetchPredictor {
-    private static boolean sInitializationStarted;
-
-    private final Profile mProfile;
-
-    /**
-     * @param profile The profile used to get the prefetch predictor.
-     */
-    public ResourcePrefetchPredictor(Profile profile) {
-        mProfile = profile;
-    }
-
-    /**
-     * Starts the asynchronous initialization of the prefetch predictor.
-     */
-    public boolean startInitialization() {
-        ThreadUtils.assertOnUiThread();
-        sInitializationStarted = true;
-        return nativeStartInitialization(mProfile);
-    }
-
-    /**
-     * Starts a prefetch for a URL.
-     *
-     * @param url The URL to start the prefetch for.
-     * @return false in case the ResourcePrefetchPredictor is not usable.
-     */
-    public boolean startPrefetching(String url) {
-        ThreadUtils.assertOnUiThread();
-        if (!sInitializationStarted) {
-            throw new RuntimeException("startInitialization() not called.");
-        }
-        return nativeStartPrefetching(mProfile, url);
-    }
-
-    /**
-     * Stops a prefetch for a URL, if one is in progress.
-     *
-     * @param url The URL to stop the prefetch of.
-     * @return false in case the ResourcePrefetchPredictor is not usable.
-     */
-    public boolean stopPrefetching(String url) {
-        ThreadUtils.assertOnUiThread();
-        return nativeStopPrefetching(mProfile, url);
-    }
-
-    private static native boolean nativeStartInitialization(Profile profile);
-    private static native boolean nativeStartPrefetching(Profile profile, String url);
-    private static native boolean nativeStopPrefetching(Profile profile, String url);
-}