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 b588554ae0d08098af5c1295f6fead5a2c21e8c0..3b32e372c41c6ef407f6c3f6f4629f4f595d3918 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
@@ -164,6 +164,24 @@ TEST_F(DataReductionProxySettingsTest, TestIsProxyEnabledOrManaged) {
   base::MessageLoop::current()->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;