[NetInfo] Browser changes to support connection.downlinkMax

content/browser/net_info_browsertest.cc

Index: content/browser/net_info_browsertest.cc
diff --git a/content/browser/net_info_browsertest.cc b/content/browser/net_info_browsertest.cc
index 67d939176a2c0e29520bf9a4af4ff83e5a0c1211..5701787b2b73f42faa60a3ffb24803a4bfc07d2e 100644
--- a/content/browser/net_info_browsertest.cc
+++ b/content/browser/net_info_browsertest.cc
@@ -4,6 +4,7 @@
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
+#include "base/strings/string_number_conversions.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
@@ -12,12 +13,19 @@
 #include "net/base/network_change_notifier.h"
 #include "net/base/network_change_notifier_factory.h"
 
+namespace content {
+
 class NetInfoBrowserTest : public content::ContentBrowserTest {
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     // TODO(jkarlin): Once NetInfo is enabled on all platforms remove this
     // switch.
     command_line->AppendSwitch(switches::kEnableNetworkInformation);
+
+    // TODO(jkarlin): Remove this once downlinkMax is no longer
+    // experimental.
+    command_line->AppendSwitch(
+        switches::kEnableExperimentalWebPlatformFeatures);
   }
 
   void SetUp() override {
@@ -38,8 +46,11 @@ class NetInfoBrowserTest : public content::ContentBrowserTest {
   }
 
   static void SetConnectionType(
-      net::NetworkChangeNotifier::ConnectionType type) {
-    net::NetworkChangeNotifier::NotifyObserversOfConnectionTypeChangeForTests(
+      net::NetworkChangeNotifier::ConnectionType type,
+      net::NetworkChangeNotifier::ConnectionSubtype subtype) {
+    net::NetworkChangeNotifier::NotifyObserversOfMaxBandwidthChangeForTests(
+        net::NetworkChangeNotifier::GetMaxBandwidthForConnectionSubtype(
+            subtype),
         type);
     base::RunLoop().RunUntilIdle();
   }
@@ -57,26 +68,46 @@ class NetInfoBrowserTest : public content::ContentBrowserTest {
         ExecuteScriptAndExtractBool(shell()->web_contents(), script, &data));
     return data;
   }
+
+  double RunScriptExtractDouble(const std::string& script) {
+    double data = 0.0;
+    EXPECT_TRUE(base::StringToDouble(RunScriptExtractString(script), &data));
+    return data;
+  }
 };
 
 // Make sure that type changes in the browser make their way to
 // navigator.connection.type.
 IN_PROC_BROWSER_TEST_F(NetInfoBrowserTest, NetworkChangePlumbsToNavigator) {
   NavigateToURL(shell(), content::GetTestUrl("", "net_info.html"));
-  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_WIFI);
+  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_WIFI,
+                    net::NetworkChangeNotifier::SUBTYPE_WIFI_N);
   EXPECT_EQ("wifi", RunScriptExtractString("getType()"));
-  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_ETHERNET);
+  EXPECT_EQ(net::NetworkChangeNotifier::GetMaxBandwidthForConnectionSubtype(
+                net::NetworkChangeNotifier::SUBTYPE_WIFI_N),
+            RunScriptExtractDouble("getDownlinkMax()"));
+
+  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_ETHERNET,
+                    net::NetworkChangeNotifier::SUBTYPE_GIGABIT_ETHERNET);
   EXPECT_EQ("ethernet", RunScriptExtractString("getType()"));
+  EXPECT_EQ(net::NetworkChangeNotifier::GetMaxBandwidthForConnectionSubtype(
+                net::NetworkChangeNotifier::SUBTYPE_GIGABIT_ETHERNET),
+            RunScriptExtractDouble("getDownlinkMax()"));
 }
 
 // Make sure that type changes in the browser make their way to
 // navigator.isOnline.
 IN_PROC_BROWSER_TEST_F(NetInfoBrowserTest, IsOnline) {
   NavigateToURL(shell(), content::GetTestUrl("", "net_info.html"));
-  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_ETHERNET);
+  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_ETHERNET,
+                    net::NetworkChangeNotifier::SUBTYPE_GIGABIT_ETHERNET);
   EXPECT_TRUE(RunScriptExtractBool("getOnLine()"));
-  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_NONE);
+  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_NONE,
+                    net::NetworkChangeNotifier::SUBTYPE_NONE);
   EXPECT_FALSE(RunScriptExtractBool("getOnLine()"));
-  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_WIFI);
+  SetConnectionType(net::NetworkChangeNotifier::CONNECTION_WIFI,
+                    net::NetworkChangeNotifier::SUBTYPE_WIFI_N);
   EXPECT_TRUE(RunScriptExtractBool("getOnLine()"));
 }
+
+}  // namespace content