Reland of "precache: Move the java files into //components/precache/android"

components/precache/android/javatests/src/org/chromium/components/precache/MockDeviceState.java

Index: components/precache/android/javatests/src/org/chromium/components/precache/MockDeviceState.java
diff --git a/components/precache/android/javatests/src/org/chromium/components/precache/MockDeviceState.java b/components/precache/android/javatests/src/org/chromium/components/precache/MockDeviceState.java
new file mode 100644
index 0000000000000000000000000000000000000000..61f601fc6f38de9a7dc7875a7f3fc3db6b33205e
--- /dev/null
+++ b/components/precache/android/javatests/src/org/chromium/components/precache/MockDeviceState.java
@@ -0,0 +1,45 @@
+// 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.
+
+package org.chromium.components.precache;
+
+import android.content.Context;
+
+/**
+ * Mock of the DeviceState class.
+ */
+public class MockDeviceState extends DeviceState {
+    private final int mStickyBatteryStatus;
+    private final boolean mPowerIsConnected;
+    private final boolean mInteractive;
+    private final boolean mWifiIsAvailable;
+
+    public MockDeviceState(int stickyBatteryStatus, boolean powerIsConnected,
+            boolean interactive, boolean wifiIsAvailable) {
+        mStickyBatteryStatus = stickyBatteryStatus;
+        mPowerIsConnected = powerIsConnected;
+        mInteractive = interactive;
+        mWifiIsAvailable = wifiIsAvailable;
+    }
+
+    @Override
+    int getStickyBatteryStatus(Context context) {
+        return mStickyBatteryStatus;
+    }
+
+    @Override
+    public boolean isPowerConnected(Context context) {
+        return mPowerIsConnected;
+    }
+
+    @Override
+    public boolean isInteractive(Context context) {
+        return mInteractive;
+    }
+
+    @Override
+    public boolean isWifiAvailable(Context context) {
+        return mWifiIsAvailable;
+    }
+}