Move OmahaQueryParams to a component and add a delegate interface.

apps/shell/browser/shell_omaha_query_params_delegate.h

Index: apps/shell/browser/shell_omaha_query_params_delegate.h
diff --git a/apps/shell/browser/shell_omaha_query_params_delegate.h b/apps/shell/browser/shell_omaha_query_params_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..7d9120b0351b50ccd8054783c5e044af6f091f76
--- /dev/null
+++ b/apps/shell/browser/shell_omaha_query_params_delegate.h
@@ -0,0 +1,24 @@
+// 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.
+
+#ifndef APPS_SHELL_BROWSER_SHELL_OMAHA_QUERY_PARAMS_DELEGATE_H_
+#define APPS_SHELL_BROWSER_SHELL_OMAHA_QUERY_PARAMS_DELEGATE_H_
+
+#include "components/omaha_query_params/omaha_query_params.h"
+
+namespace extensions {
+
+class ShellOmahaQueryParamsDelegate : public OmahaQueryParamsDelegate {
+ public:
+  ShellOmahaQueryParamsDelegate();
+  virtual ~ShellOmahaQueryParamsDelegate();
+
+  virtual std::string GetExtraParams() OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellOmahaQueryParamsDelegate);

[jochen (gone - plz use gerrit), 2014/06/24 08:52:31]

should be private

+};
+
+}  // namespace extensions
+
+#endif  // APPS_SHELL_BROWSER_SHELL_OMAHA_QUERY_PARAMS_DELEGATE_H_