Revert "Add IDBKeyRange to dart:html, port two indexeddb tests"

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index 14cb0a295490df6aa94a31e8915919e8f1fab8ac..00d65e2634cca0aed9ccf2c52e15b153adabb52c 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -10,8 +10,6 @@ measurement_test: Pass, Fail  # Issue 1940
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) ]
 request_animation_frame_test: Skip   # drt hangs; requestAnimationFrame not implemented
-indexeddb_3_test: Fail  # exception not caught - not 'is IDBDatabaseException' ?
-indexeddb_4_test: Fail  # exception not caught - not 'is IDBDatabaseException' ?
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) && $mode == debug ]
 native_gc_test: Skip  # Issue 2538. Too slow in debug.
@@ -135,6 +133,9 @@ css_test: Pass, Fail # Test is flaky Issue #2823
 [ $compiler == frog && $runtime == none ]
 *: Skip
 
+[ $compiler == dart2js && ($runtime == drt || $runtime == chrome || $runtime == ff) ]
+request_animation_frame_test: Skip # Async test hangs.
+
 [ $compiler == dart2js && $runtime == drt ]
 # Unknown error - should investigate.
 documentfragment_test: Fail
@@ -148,11 +149,8 @@ svgelement_test: Fail
 
 [ $compiler == dart2js ]
 dom_isolates_test: Fail # error: cannot resolve spawnDomIsolate
-indexeddb_3_test: Fail  # TypeError: Object #<IDBCursorWithValue> has no method 'continueFunction'
-indexeddb_4_test: Fail  # TypeError: Object #<IDBCursorWithValue> has no method 'continueFunction'
 
 [ $compiler == dart2js && ($runtime == drt || $runtime == chrome || $runtime == ff) ]
-request_animation_frame_test: Skip # Async test hangs.
 isolates_test: Skip   # Timeout because leg does not support web workers.
 typed_arrays_1_test: Fail # dart2js doesn't support is checks with generic types.
 cross_frame_test: Fail # Issue 2774, iframe.contentDocument is accessible in dart:html