Adds support for media permission request handling on <appview> tag.

extensions/shell/browser/shell_extensions_api_client.cc

Index: extensions/shell/browser/shell_extensions_api_client.cc
diff --git a/extensions/shell/browser/shell_extensions_api_client.cc b/extensions/shell/browser/shell_extensions_api_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..43d9fdd374cc8310a69afe11b50974dd17b464bd
--- /dev/null
+++ b/extensions/shell/browser/shell_extensions_api_client.cc
@@ -0,0 +1,19 @@
+// Copyright 2014 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 "extensions/shell/browser/shell_extensions_api_client.h"
+
+#include "extensions/shell/browser/shell_app_view_guest_delegate.h"
+
+namespace extensions {
+
+ShellExtensionsAPIClient::ShellExtensionsAPIClient() {
+}
+
+AppViewGuestDelegate* ShellExtensionsAPIClient::CreateAppViewGuestDelegate()
+    const {
+  return new ShellAppViewGuestDelegate();
+}
+
+}  // namespace extensions