Initial skeleton of Accessibility Object Model Phase 1

third_party/WebKit/Source/modules/accessibility/AXUtilsImpl.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXUtilsImpl.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXUtilsImpl.cpp b/third_party/WebKit/Source/modules/accessibility/AXUtilsImpl.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..6706fecf6430fa39b0459d96ca349c0b0dbf3a39
--- /dev/null
+++ b/third_party/WebKit/Source/modules/accessibility/AXUtilsImpl.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2017, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "modules/accessibility/AXUtilsImpl.h"
+
+#include "core/HTMLNames.h"
+#include "modules/accessibility/AXObject.h"
+
+namespace blink {
+
+AXUtilsImpl::AXUtilsImpl() {}
+
+bool AXUtilsImpl::isValidRoleAttribute(const AtomicString& role) {
+  return AXObject::ariaRoleToWebCoreRole(role) != UnknownRole;

[esprehn, 2017/03/22 03:40:32]

ariaRoleToWebCoreRole is actually static, can we move it into core/ instead and
use it directly and then modules/ can just use the stuff in core. Then we don't
need this indirection.

+}
+
+}  // namespace blink