Wrapped data reduction proxy initialization into its own class

chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.h

Index: chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.h
diff --git a/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.h b/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.h
new file mode 100644
index 0000000000000000000000000000000000000000..65bf5e00063c14631f8a03d307faa74f18175233
--- /dev/null
+++ b/chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_io_data.h
@@ -0,0 +1,49 @@
+// 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 CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_CHROME_IO_DATA_H_
+#define CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_CHROME_IO_DATA_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+
+class ChromeNetLog;
+class DataReductionProxyChromeConfigurator;
+class PrefServiceSyncable;
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace content {
+class BrowserContext;
+}
+
+namespace data_reduction_proxy {
+class DataReductionProxyIOData;
+class DataReductionProxySettings;
+}
+
+// Constructs DataReductionProxyIOData suitable for use by ProfileImpl and
+// ProfileImplIOData.
+scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
+CreateDataReductionProxyChromeIOData(
+    ChromeNetLog* net_log,
+    content::BrowserContext* browser_context,
+    PrefServiceSyncable* prefs,
+    const scoped_refptr<base::SingleThreadTaskRunner>& io_thread_runner,
+    const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread_runner,
+    DataReductionProxyChromeConfigurator** configurator);
+
+// Constructs DataReductionProxyIOData suitable for use by IOThread. This
+// separate method is needed, because the system context doesn't have prefs
+// and other objects that are specific to a profile.
+scoped_ptr<data_reduction_proxy::DataReductionProxyIOData>
+CreateDataReductionProxyChromeIODataForSystem(
+    ChromeNetLog* net_log,
+    PrefServiceSyncable* prefs,
+    const scoped_refptr<base::SingleThreadTaskRunner>& io_thread_runner,
+    const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread_runner);
+
+#endif  // CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_CHROME_IO_DATA_H_