content_shell: Create the FIFOs needed for running Android layout tests

content/shell/android/java/src/org/chromium/content_shell/ShellLayoutTestUtils.java

+// Copyright 2013 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.content_shell;
+
+import android.content.Context;
+
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+
+/**
+ * Utility methods used when using content_shell for running Blink's layout

[bulach, 2013/06/19 17:57:42]

s/used when using/used by/

[Peter Beverloo, 2013/06/19 19:48:32]

Done.

+ * tests on Android.
+ */
+@JNINamespace("content")
+public class ShellLayoutTestUtils {

[bulach, 2013/06/19 17:57:42]

nit: s/public//

[Peter Beverloo, 2013/06/19 19:48:32]

Done.

+    /**
+     * @return The directory in which the test files, for example FIFOs, can be stored.
+     */
+    @SuppressWarnings("unused")
+    @CalledByNative
+    public static String getApplicationFilesDirectory(Context appContext) {

[bulach, 2013/06/19 17:57:42]

nit: s/public/private/

[Peter Beverloo, 2013/06/19 19:48:32]

Done. Weird, though, since we access it from outside of this class (albeit
through JNI).

+        return appContext.getFilesDir().getAbsolutePath();
+    }
+}