redesign and reimplement proxy config service and tracker, revise proxy ui on cros

chrome/browser/extensions/extension_proxy_apitest.cc

Index: chrome/browser/extensions/extension_proxy_apitest.cc
===================================================================
--- chrome/browser/extensions/extension_proxy_apitest.cc	(revision 108608)
+++ chrome/browser/extensions/extension_proxy_apitest.cc	(working copy)
@@ -255,8 +255,19 @@
                    pref_service);
 }
 
+// This test sets proxy to an inavalid host "does.not.exist" and then fetches
+// a page from localhost, expecting an error since host is invalid.
+// On ChromeOS, localhost is by default bypassed, so the page from localhost
+// will be fetched successfully, resulting in no error.  Hence this test
+// shouldn't run on ChromeOS.
+#if defined(OS_CHROMEOS)
+#define MAYBE_ProxyEventsInvalidProxy DISABLED_ProxyEventsInvalidProxy
+#else
+#define MAYBE_ProxyEventsInvalidProxy ProxyEventsInvalidProxy
+#endif  // defined(OS_CHROMEOS)
+
 // Tests error events: invalid proxy
-IN_PROC_BROWSER_TEST_F(ProxySettingsApiTest, ProxyEventsInvalidProxy) {
+IN_PROC_BROWSER_TEST_F(ProxySettingsApiTest, MAYBE_ProxyEventsInvalidProxy) {
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(
       RunExtensionSubtest("proxy/events", "invalid_proxy.html")) << message_;