Use dictionaries for context creation attributes. Eliminate custom bindings.

Source/core/html/canvas/Canvas2DContextAttributes.cpp

Index: Source/core/html/canvas/Canvas2DContextAttributes.cpp
diff --git a/Source/core/html/canvas/Canvas2DContextAttributes.cpp b/Source/core/html/canvas/Canvas2DContextAttributes.cpp
deleted file mode 100644
index ec4f681185f786dc2bc85a3c5bf3c5aa8876afb5..0000000000000000000000000000000000000000
--- a/Source/core/html/canvas/Canvas2DContextAttributes.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (c) 2013, 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:
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER OR 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 "config.h"
-
-#include "core/html/canvas/Canvas2DContextAttributes.h"
-
-#include "wtf/text/WTFString.h"
-
-namespace blink {
-
-Canvas2DContextAttributes::Canvas2DContextAttributes()
-    : m_alpha(true)
-    , m_storage(PersistentStorage)
-{
-}
-
-DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(Canvas2DContextAttributes);
-
-PassRefPtrWillBeRawPtr<Canvas2DContextAttributes> Canvas2DContextAttributes::create()
-{
-    return adoptRefWillBeNoop(new Canvas2DContextAttributes());
-}
-
-bool Canvas2DContextAttributes::alpha() const
-{
-    return m_alpha;
-}
-
-void Canvas2DContextAttributes::setAlpha(bool alpha)
-{
-    m_alpha = alpha;
-}
-
-String Canvas2DContextAttributes::storage() const
-{
-    return m_storage == PersistentStorage ? "persistent" : "discardable";
-}
-
-void Canvas2DContextAttributes::setStorage(const String& storage)
-{
-    if (storage == "persistent")
-        m_storage = PersistentStorage;
-    else if (storage == "discardable")
-        m_storage = DiscardableStorage;
-}
-
-Canvas2DContextStorage Canvas2DContextAttributes::parsedStorage() const
-{
-    return m_storage;
-}
-
-} // namespace blink