linux_aura: Reenable a bunch of tests that were disabled.

chrome/browser/extensions/extension_keybinding_apitest.cc

Index: chrome/browser/extensions/extension_keybinding_apitest.cc
diff --git a/chrome/browser/extensions/extension_keybinding_apitest.cc b/chrome/browser/extensions/extension_keybinding_apitest.cc
index f27477750262d228de2c3ed43ba3c1afcd4d1b3b..664315f5d9ae756f1689bc0a3e799c0886fa4fae 100644
--- a/chrome/browser/extensions/extension_keybinding_apitest.cc
+++ b/chrome/browser/extensions/extension_keybinding_apitest.cc
@@ -152,31 +152,17 @@ IN_PROC_BROWSER_TEST_F(CommandsApiTest, MAYBE_PageAction) {
   ASSERT_TRUE(result);
 }
 
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_AURA)
-// TODO(erg): linux_aura bringup: http://crbug.com/163931
-#define MAYBE_SynthesizedCommand DISABLED_SynthesizedCommand
-#else
-#define MAYBE_SynthesizedCommand SynthesizedCommand
-#endif
-
 // This test validates that the getAll query API function returns registered
 // commands as well as synthesized ones and that inactive commands (like the
 // synthesized ones are in nature) have no shortcuts.
-IN_PROC_BROWSER_TEST_F(CommandsApiTest, MAYBE_SynthesizedCommand) {
+IN_PROC_BROWSER_TEST_F(CommandsApiTest, SynthesizedCommand) {
   ASSERT_TRUE(test_server()->Start());
   ASSERT_TRUE(RunExtensionTest("keybinding/synthesized")) << message_;
 }
 
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_AURA)
-// TODO(erg): linux_aura bringup: http://crbug.com/163931
-#define MAYBE_DontOverwriteSystemShortcuts DISABLED_DontOverwriteSystemShortcuts
-#else
-#define MAYBE_DontOverwriteSystemShortcuts DontOverwriteSystemShortcuts
-#endif
-
 // This test validates that an extension cannot request a shortcut that is
 // already in use by Chrome.
-IN_PROC_BROWSER_TEST_F(CommandsApiTest, MAYBE_DontOverwriteSystemShortcuts) {
+IN_PROC_BROWSER_TEST_F(CommandsApiTest, DontOverwriteSystemShortcuts) {
   ASSERT_TRUE(test_server()->Start());
 
   ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));