Removing unused PreviewsDataSavings

components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc
index cadbcd3cda7cb0c844a1e48a8c2e9c04085840c3..a2e881a90041e00c484883d6ba3a83b2122dd363 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats_unittest.cc
@@ -584,28 +584,6 @@ TEST_F(DataReductionProxyCompressionStatsTest, TotalLengths) {
             GetInt64(data_reduction_proxy::prefs::kHttpOriginalContentLength));
 }
 
-TEST_F(DataReductionProxyCompressionStatsTest, TotalLengthsUpdate) {
-  const int64_t kOriginalLength = 200;
-  const int64_t kReceivedLength = 100;
-
-  compression_stats()->UpdateDataSavings(std::string(), kReceivedLength,
-                                         kOriginalLength);
-
-  EXPECT_EQ(0,
-            GetInt64(data_reduction_proxy::prefs::kHttpReceivedContentLength));
-  EXPECT_EQ(kOriginalLength - kReceivedLength,
-            GetInt64(data_reduction_proxy::prefs::kHttpOriginalContentLength));
-
-  // Record the same numbers again, and total lengths should be doubled.
-  compression_stats()->UpdateDataSavings(std::string(), kReceivedLength,
-                                         kOriginalLength);
-
-  EXPECT_EQ(0,
-            GetInt64(data_reduction_proxy::prefs::kHttpReceivedContentLength));
-  EXPECT_EQ(kOriginalLength * 2 - kReceivedLength * 2,
-            GetInt64(data_reduction_proxy::prefs::kHttpOriginalContentLength));
-}
-
 TEST_F(DataReductionProxyCompressionStatsTest, OneResponse) {
   const int64_t kOriginalLength = 200;
   const int64_t kReceivedLength = 100;