Precache uses GcmNetworkManager for task scheduling

chrome/android/java/src/org/chromium/chrome/browser/precache/PrecacheBootReceiver.java

Index: chrome/android/java/src/org/chromium/chrome/browser/precache/PrecacheBootReceiver.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/precache/PrecacheBootReceiver.java b/chrome/android/java/src/org/chromium/chrome/browser/precache/PrecacheBootReceiver.java
new file mode 100644
index 0000000000000000000000000000000000000000..fedccba6c5d789ed9736bc540bb63c8dd682ce1f
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/precache/PrecacheBootReceiver.java
@@ -0,0 +1,24 @@
+// 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.precache;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import org.chromium.base.Log;
+
+/**
+ * Receives a boot signal to reschedule precaching.
+ */
+public class PrecacheBootReceiver extends BroadcastReceiver {
+    private static final String TAG = "Precache";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Log.v(TAG, "received boot signal");
+        PrecacheController.schedulePeriodicPrecacheTask(context);
+    }
+}