Simplify devtools code on android and enable devtools for android content_shell.

content/public/browser/android/devtools_auth.h

Index: content/public/browser/android/devtools_auth.h
diff --git a/content/public/browser/android/devtools_auth.h b/content/public/browser/android/devtools_auth.h
new file mode 100644
index 0000000000000000000000000000000000000000..700892c034a00a8b3e15637e02cbdfb54a548b87
--- /dev/null
+++ b/content/public/browser/android/devtools_auth.h
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_DEVTOOLS_AUTH_ANDROID_H_
+#define CONTENT_PUBLIC_BROWSER_DEVTOOLS_AUTH_ANDROID_H_
+
+#include "content/common/content_export.h"
+
+#include <pwd.h>
+
+namespace content {
+
+// Returns true if the given user/group pair is authorized to connect to the
+// devtools server, false if not.
+CONTENT_EXPORT bool CanUserConnectToDevTools(uid_t uid, gid_t gid);
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_DEVTOOLS_AUTH_ANDROID_H_