Centralize the Data Reduction Proxy pass through header

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.cc

 // Copyright 2013 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_android.h"
 
 #include <stdint.h>
 
 #include <map>
 #include <string>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/strings/string_piece.h"
 #include "base/values.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/pref_names.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_metrics.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_service.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
 #include "components/data_reduction_proxy/core/browser/data_usage_store.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_event_store.h"
+#include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_pref_names.h"
 #include "jni/DataReductionProxySettings_jni.h"
 #include "net/proxy/proxy_server.h"
 #include "url/gurl.h"
 
 
 using base::android::ConvertUTF8ToJavaString;
 using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
@@ skipping 102 matching lines @@
 }
 
 ScopedJavaLocalRef<jlongArray>
 DataReductionProxySettingsAndroid::GetDailyReceivedContentLengths(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   return GetDailyContentLengths(
       env, data_reduction_proxy::prefs::kDailyHttpReceivedContentLength);
 }
 
+ScopedJavaLocalRef<jstring>
+DataReductionProxySettingsAndroid::GetDataReductionProxyPassThroughHeader(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) {
+  return ConvertUTF8ToJavaString(
+      env, data_reduction_proxy::chrome_proxy_pass_through_header());
+}
+
 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyUnreachable(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   return Settings()->IsDataReductionProxyUnreachable();
 }
 
 jboolean DataReductionProxySettingsAndroid::AreLoFiPreviewsEnabled(
     JNIEnv* env,
     const JavaParamRef<jobject>& obj) {
   return data_reduction_proxy::params::IsIncludedInLitePageFieldTrial() ||
@@ skipping 108 matching lines @@
       env, j_settings_obj_.get(env), j_query_result_obj_.obj());
 
   j_query_result_obj_.Release();
 }
 
 // Used by generated jni code.
 static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   return reinterpret_cast<intptr_t>(
       new DataReductionProxySettingsAndroid(env, obj));
 }