Added alternative configuration for the data reduction proxy

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_factory_android.cc

+// 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 "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_factory_android.h"
+#include "base/memory/singleton.h"
+#include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_settings.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+// static
+DataReductionProxySettingsAndroid*
+DataReductionProxySettingsFactoryAndroid::GetForBrowserContext(
+    content::BrowserContext* context) {
+  return static_cast<DataReductionProxySettingsAndroid*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+}
+
+// static
+bool DataReductionProxySettingsFactoryAndroid::
+HasDataReductionProxySettingsAndroid(
+    content::BrowserContext* context) {
+  return GetInstance()->GetServiceForBrowserContext(context, false) != NULL;
+}
+
+// static
+DataReductionProxySettingsFactoryAndroid*
+DataReductionProxySettingsFactoryAndroid::GetInstance() {
+  return Singleton<DataReductionProxySettingsFactoryAndroid>::get();
+}
+
+
+DataReductionProxySettingsFactoryAndroid::
+DataReductionProxySettingsFactoryAndroid()
+    : BrowserContextKeyedServiceFactory(
+        "ProfileSyncService",
+        BrowserContextDependencyManager::GetInstance()) {
+}
+
+DataReductionProxySettingsFactoryAndroid::
+~DataReductionProxySettingsFactoryAndroid() {
+}
+
+KeyedService* DataReductionProxySettingsFactoryAndroid::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
+  int flags = DataReductionProxyParams::kFallbackAllowed;
+  if (DataReductionProxyParams::IsIncludedInFieldTrial())
+    flags |= DataReductionProxyParams::kAllowed;
+  if (DataReductionProxyParams::IsIncludedInAlternativeFieldTrial())
+    flags |= DataReductionProxyParams::kAlternativeAllowed;
+  if (DataReductionProxyParams::IsIncludedInPromoFieldTrial())
+    flags |= DataReductionProxyParams::kPromoAllowed;
+
+  DataReductionProxySettingsAndroid* settings =
+      new DataReductionProxySettingsAndroid(
+          new DataReductionProxyParams(flags));
+  settings->InitDataReductionProxySettings(profile);
+  return settings;
+}
+