Context menu item to view original image when Data Saver is being used.

components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc
index 93fec5885b26f87954f5f6a2a3afa3fa7ce94206..0f6fbd8af291417ad70d869b191c828670121944 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_settings_unittest.cc
@@ -71,6 +71,24 @@ TEST_F(DataReductionProxySettingsTest, TestIsProxyEnabledOrManaged) {
   test_context_->RunUntilIdle();
 }
 
+TEST_F(DataReductionProxySettingsTest, TestCanUseDataReductionProxy) {
+  settings_->InitPrefMembers();
+  base::MessageLoopForUI loop;
+  // The proxy is disabled initially.
+  settings_->enabled_by_user_ = false;
+  settings_->SetProxyConfigs(false, false, false, false);
+  GURL http_gurl("http://url.com/");
+  EXPECT_FALSE(settings_->CanUseDataReductionProxy(http_gurl));
+
+  CheckOnPrefChange(true, true, false);
+  EXPECT_TRUE(settings_->CanUseDataReductionProxy(http_gurl));
+
+  GURL https_gurl("https://url.com/");
+  EXPECT_FALSE(settings_->CanUseDataReductionProxy(https_gurl));
+
+  base::MessageLoop::current()->RunUntilIdle();
+}
+
 TEST_F(DataReductionProxySettingsTest, TestResetDataReductionStatistics) {
   int64 original_content_length;
   int64 received_content_length;