Adding supported checks and annotations to Crypto API.

tests/html/html.status

 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 window_open_test: Skip # http://dartbug.com/5151
 async_window_test: Skip #TODO(gram): investigating
 
 event_test: Skip  # Issue 1996
 custom_elements_test: Skip # Not yet implemented.
 interactive_test: Skip # Must be run manually.
@@ skipping 38 matching lines @@
 [ $compiler == none && $runtime == drt && $system == macos]
 audiocontext_test: Pass, Fail
 
 [ $compiler == dart2js && $runtime == drt && $system == macos]
 audiobuffersourcenode_test: Pass, Fail
 
 [$runtime == ie10 ]
 # TODO(efortuna, blois): Triage.
 audiobuffersourcenode_test: Fail
 audiocontext_test: Fail
-crypto_test: Fail
+crypto_test/supported: Fail
 css_test/supported_CssMatrix: Fail
 css_test/supported_DomPoint: Fail
 document_test/supports_cssCanvasContext: Fail
 dromaeo_smoke_test: Skip #TODO(efortuna): investigating.
 element_test/click: Fail                # IE does not support firing this event.
 element_types_test/supported_content: Fail
 element_types_test/supported_details: Fail
 element_types_test/supported_keygen: Fail
 element_types_test/supported_meter: Fail
 element_types_test/supported_output: Fail
@@ skipping 33 matching lines @@
 websql_test/supported: Fail
 websocket_test/websocket: Fail # TODO(efortuna): Issue 7875.
 window_open_test: Skip
 xhr_cross_origin_test: Fail # TODO(efortuna): Issue 7875.
 xhr_test/supported_HttpRequestProgressEvent: Fail
 xsltprocessor_test/supported: Fail
 history_test/history: Pass, Fail # issue 8183
 canvasrenderingcontext2d_test: Fail # issue 8678
 
 [ $runtime == ie9 ]
-crypto_test: Fail
+crypto_test/supported: Fail
 document_test/supports_cssCanvasContext: Fail
 dromaeo_smoke_test: Skip #TODO(efortuna): investigating.
 element_test/click: Fail                # IE does not support firing this event.
 element_types_test/supported_content: Fail
 element_types_test/supported_datalist: Fail
 element_types_test/supported_details: Fail
 element_types_test/supported_keygen: Fail
 element_types_test/supported_meter: Fail
 element_types_test/supported_output: Fail
 element_types_test/supported_progress: Fail
@@ skipping 112 matching lines @@
 speechrecognition_test/supported: Fail
 touchevent_test/supported: Fail
 webgl_1_test: Pass, Fail # Issue 8219
 
 audiocontext_test: Crash, Fail # Issue: 7414
 datalistelement_test: Fail # Issue: 7414
 element_test/elements: Crash, Fail # Issue: 7414
 wheelevent_test: Fail # Issue: 7414
 
 [ $runtime == opera ]
-crypto_test: Fail
+crypto_test/supported: Fail
 document_test/supports_cssCanvasContext: Fail
 document_test/document: Fail # Issue: 7413
 form_data_test: Fail # Issue: 7413
 keyboard_event_test: Fail # Issue: 7413
 element_test/eventListening: Fail # Issue: 7413
 element_test/children: Fail # Issue: 7413
 audiobuffersourcenode_test: Fail
 canvas_test: Pass,Fail
 audiocontext_test: Fail
 blob_constructor_test: Fail
@@ skipping 23 matching lines @@
 fileapi_test: Skip # Timeout.
 inner_frame_test: Skip # Timeout.
 js_interop_3_test: Skip # Timeout.
 js_interop_4_test: Skip # Timeout.
 isolates_test: Skip # Timeout.
 websql_test/supported: Fail
 
 [ $runtime == ff ]
 audiobuffersourcenode_test: Fail # FF only has Audio element.
 audiocontext_test: Fail      # FF only has Audio element
-crypto_test: Fail
+crypto_test/supported: Fail
 css_test/supported_CssMatrix: Fail
 css_test/supported_DomPoint: Fail
 dart_object_local_storage_test: Skip  # sessionStorage NS_ERROR_DOM_NOT_SUPPORTED_ERR
 document_test/supports_cssCanvasContext: Fail
 element_types_test/supported_content: Fail
 element_types_test/supported_details: Fail
 element_types_test/supported_embed: Fail
 element_types_test/supported_keygen: Fail
 element_types_test/supported_object: Fail
 element_types_test/supported_shadow: Fail
@@ skipping 46 matching lines @@
 
 [ $compiler == dart2js && ($runtime == ie9 || $runtime == ie10 || $runtime == safari || $runtime == ff || $runtime == chrome || $runtime == opera || $runtime == drt)]
 element_test/queryAll: Fail # dartbug.com/8496: missing substitution on native classes
 node_test/_NodeList: Fail # dartbug.com/8496: missing substitution on native classes
 node_test/nodes: Fail # dartbug.com/8496: missing substitution on native classes
 typed_arrays_1_test/arrays: Fail # dartbug.com/8496: missing substitution on native classes
 typed_arrays_1_test/supported: Fail # dartbug.com/8496: missing substitution on native classes
 
 [ $compiler == dart2js && $runtime == ff ]
 inner_frame_test: Skip # Timeout