Add data reduction functionality to all platforms.

components/data_reduction_proxy/browser/data_reduction_proxy_metrics_unittest.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 "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
@@ skipping 65 matching lines @@
             kDailyContentLengthUnknownWithDataReductionProxyEnabled);
     registry->RegisterListPref(
         data_reduction_proxy::prefs::
             kDailyOriginalContentLengthViaDataReductionProxy);
     registry->RegisterListPref(
         data_reduction_proxy::prefs::
             kDailyContentLengthViaDataReductionProxy);
     registry->RegisterInt64Pref(
         data_reduction_proxy::prefs::
             kDailyHttpContentLengthLastUpdateDate, 0L);
+    registry->RegisterBooleanPref(
+        data_reduction_proxy::prefs::kDataReductionProxyEnabled, false);
   }
 
   TestingPrefServiceSimple pref_service_;
   scoped_ptr<DataReductionProxyStatisticsPrefs> statistics_prefs_;
 };
 
 TEST_F(ChromeNetworkDataSavingMetricsTest, TotalLengths) {
   const int64 kOriginalLength = 200;
   const int64 kReceivedLength = 100;
 
   UpdateContentLengthPrefs(
       kReceivedLength, kOriginalLength,
-      false, UNKNOWN_TYPE, statistics_prefs_.get());
+      &pref_service_, UNKNOWN_TYPE, statistics_prefs_.get());
+
   EXPECT_EQ(kReceivedLength,
             statistics_prefs_->GetInt64(
                 data_reduction_proxy::prefs::kHttpReceivedContentLength));
+  EXPECT_FALSE(pref_service_.GetBoolean(
+      data_reduction_proxy::prefs::kDataReductionProxyEnabled));
   EXPECT_EQ(kOriginalLength,
             statistics_prefs_->GetInt64(
                 data_reduction_proxy::prefs::kHttpOriginalContentLength));
 
   // Record the same numbers again, and total lengths should be doubled.
   UpdateContentLengthPrefs(
       kReceivedLength, kOriginalLength,
-      false, UNKNOWN_TYPE, statistics_prefs_.get());
+      &pref_service_, UNKNOWN_TYPE, statistics_prefs_.get());
+
   EXPECT_EQ(kReceivedLength * 2,
             statistics_prefs_->GetInt64(
                 data_reduction_proxy::prefs::kHttpReceivedContentLength));
+  EXPECT_FALSE(pref_service_.GetBoolean(
+      data_reduction_proxy::prefs::kDataReductionProxyEnabled));
   EXPECT_EQ(kOriginalLength * 2,
             statistics_prefs_->GetInt64(
                 data_reduction_proxy::prefs::kHttpOriginalContentLength));
 }
 
 // The initial last update time used in test. There is no leap second a few
 // days around this time used in the test.
 // Note: No time zone is specified. Local time will be assumed by
 // base::Time::FromString below.
 const char kLastUpdateTime[] = "Wed, 18 Sep 2013 03:45:26";
@@ skipping 554 matching lines @@
       kReceivedLength, kOriginalLength,
       true, VIA_DATA_REDUCTION_PROXY,
       FakeNow(), statistics_prefs_.get());
   VerifyDailyDataSavingContentLengthPrefLists(
       original, 1, received, 1,
       original, 1, received, 1,
       original, 1, received, 1);
 }
 
 }  // namespace data_reduction_proxy