bindings: Cleans up V8{HTML,SVG}ElementWrapperFactory.

Source/build/scripts/templates/ElementWrapperFactory.cpp.tmpl

-{% from "macros.tmpl" import license %}
-{{ license() }}
-
-#include "config.h"
-#include "V8{{namespace}}ElementWrapperFactory.h"
-
-#include "{{namespace}}Names.h"
-{% for tag in tags|sort if tag.has_js_interface %}
-#include "bindings/core/v8/V8{{tag.interface}}.h"
-{% endfor %}
-{% for tag in tags|sort if tag.has_js_interface %}
-#include "core/{{namespace|lower}}/{{tag.js_interface}}.h"
-{% endfor %}
-#include "core/{{namespace|lower}}/{{fallback_js_interface}}.h"
-#include "core/dom/Document.h"
-#include "core/frame/Settings.h"
-#include "platform/RuntimeEnabledFeatures.h"
-#include "wtf/StdLibExtras.h"
-
-namespace blink {
-
-using namespace {{namespace}}Names;
-
-const WrapperTypeInfo* findWrapperTypeFor{{namespace}}TagName(const AtomicString& name)
-{
-    typedef HashMap<StringImpl*, const WrapperTypeInfo*> NameTypeMap;
-    DEFINE_STATIC_LOCAL(NameTypeMap, map, ());
-    if (map.isEmpty()) {
-        // FIXME: This seems wrong. We should list every interface here, not
-        // just the ones that have specialized JavaScript interfaces.
-        {% for tag in tags|sort if tag.has_js_interface %}
-        {% filter enable_conditional(tag.Conditional) %}
-        map.set({{tag|symbol}}Tag.localName().impl(), &V8{{tag.js_interface}}::wrapperTypeInfo);
-        {% endfilter %}
-        {% endfor %}
-    }
-
-    if (const WrapperTypeInfo* result = map.get(name.impl()))
-        return result;
-
-    return &V8{{fallback_js_interface}}::wrapperTypeInfo;
-}
-
-} // namespace blink