Add connectivity check for Android feedback.

chrome/browser/android/feedback/connectivity_checker.h

Index: chrome/browser/android/feedback/connectivity_checker.h
diff --git a/chrome/browser/android/feedback/connectivity_checker.h b/chrome/browser/android/feedback/connectivity_checker.h
new file mode 100644
index 0000000000000000000000000000000000000000..fe48f06c29c1c92f538ba52f2af70f58fab283d1
--- /dev/null
+++ b/chrome/browser/android/feedback/connectivity_checker.h
@@ -0,0 +1,18 @@
+// 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.
+
+#ifndef CHROME_BROWSER_ANDROID_FEEDBACK_CONNECTIVITY_CHECKER_H_
+#define CHROME_BROWSER_ANDROID_FEEDBACK_CONNECTIVITY_CHECKER_H_
+
+#include "base/android/jni_android.h"
+
+namespace chrome {
+namespace android {
+
+bool RegisterConnectivityChecker(JNIEnv* env);
+
+}  // namespace android
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_ANDROID_FEEDBACK_CONNECTIVITY_CHECKER_H_