Allow webkitSpeechRecognition work from an app's background page.

chrome/browser/apps/speech_recognition_browsertest.cc

Index: chrome/browser/apps/speech_recognition_browsertest.cc
diff --git a/chrome/browser/apps/speech_recognition_browsertest.cc b/chrome/browser/apps/speech_recognition_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f4c5c699ba1fb3213e9c275b1740d07d6de4a938
--- /dev/null
+++ b/chrome/browser/apps/speech_recognition_browsertest.cc
@@ -0,0 +1,13 @@
+// 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.
+
+#include "chrome/browser/apps/app_browsertest_util.h"
+
+class SpeechRecognitionTest : public extensions::PlatformAppBrowserTest {
+};
+
+IN_PROC_BROWSER_TEST_F(SpeechRecognitionTest, SpeechFromBackgroundPage) {
+  ASSERT_TRUE(RunPlatformAppTest("platform_apps/speech/background_page"))
+      << message_;
+}