Rename AXObject to AXObjectImpl in modules/ and web/

third_party/WebKit/Source/core/dom/AXObject.h

Index: third_party/WebKit/Source/core/dom/AXObject.h
diff --git a/third_party/WebKit/Source/core/dom/AXObject.h b/third_party/WebKit/Source/core/dom/AXObject.h
new file mode 100644
index 0000000000000000000000000000000000000000..71b77d649bd9b8c923384c21b4a12ab65cbf1090
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/AXObject.h
@@ -0,0 +1,18 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef AXObject_h
+#define AXObject_h
+
+#include "core/CoreExport.h"
+
+namespace blink {
+
+// TODO(sashab): Add pure virtual methods to this class to remove dependencies
+// on AXObjectImpl from outside of modules/.
+class CORE_EXPORT AXObject {};
+
+}  // namespace blink
+
+#endif  // AXObject_h