Enable some JsToCppTests.

mojo/apps/js/test/js_to_cpp_unittest.cc

Index: mojo/apps/js/test/js_to_cpp_unittest.cc
diff --git a/mojo/apps/js/test/js_to_cpp_unittest.cc b/mojo/apps/js/test/js_to_cpp_unittest.cc
index 7b5e5ef198e1c0dffedcf3ebb74c7b0381efa90e..74bc7ed6ec0c790b808b8201ad666b5ef1cc4081 100644
--- a/mojo/apps/js/test/js_to_cpp_unittest.cc
+++ b/mojo/apps/js/test/js_to_cpp_unittest.cc
@@ -433,8 +433,7 @@ TEST_F(JsToCppTest, Echo) {
   EXPECT_TRUE(cpp_side_connection.DidSucceed());
 }
 
-// TODO(tsepez): Disabled due to http://crbug.com/366797.
-TEST_F(JsToCppTest, DISABLED_BitFlip) {
+TEST_F(JsToCppTest, BitFlip) {
   if (IsRunningOnIsolatedBot())
     return;
 
@@ -443,8 +442,7 @@ TEST_F(JsToCppTest, DISABLED_BitFlip) {
   EXPECT_TRUE(cpp_side_connection.DidSucceed());
 }
 
-// TODO(tsepez): Disabled due to http://crbug.com/366797.
-TEST_F(JsToCppTest, DISABLED_BackPointer) {
+TEST_F(JsToCppTest, BackPointer) {
   if (IsRunningOnIsolatedBot())
     return;