Added alternative configuration for the data reduction proxy

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_factory_android.h

+// 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_SETTINGS_FACTORY_ANDROID_H_
+#define CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_SETTINGS_FACTORY_ANDROID_H_
+
+#include "base/compiler_specific.h"
+#include "base/memory/singleton.h"
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_params.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+namespace content {
+class BrowserContext;
+}
+
+using data_reduction_proxy::DataReductionProxyParams;
+
+class DataReductionProxySettingsAndroid;
+
+// BrowserContextKeyedServiceFactory for generating/retrieving
+// DataReductionProxyService instances.
+class DataReductionProxySettingsFactoryAndroid
+    : public BrowserContextKeyedServiceFactory {
+ public:
+  static DataReductionProxySettingsAndroid* GetForBrowserContext(
+      content::BrowserContext* context);
+
+  static bool HasDataReductionProxySettingsAndroid(
+      content::BrowserContext* context);
+
+  static DataReductionProxySettingsFactoryAndroid* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<
+      DataReductionProxySettingsFactoryAndroid>;
+
+  DataReductionProxySettingsFactoryAndroid();
+
+  virtual ~DataReductionProxySettingsFactoryAndroid();
+
+  // BrowserContextKeyedServiceFactory:
+  virtual KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const OVERRIDE;
+};
+
+#endif  // CHROME_BROWSER_NET_SPDYPROXY_DATA_REDUCTION_PROXY_SETTINGS_FACTORY_ANDROID_H_