Rename [HasNumericIndexGetter] to [NumericIndexedGetter]

Rename [HasNumericIndexGetter] to [NumericIndexedGetter]
https://bugs.webkit.org/show_bug.cgi?id=78096

Reviewed by Adam Barth.

This patch renames [HasNumericIndexGetter] to [NumericIndexedGetter],
for naming consistency with [IndexedGetter] and [CustomIndexedGetter].

No tests. No change in behavior.

* bindings/scripts/CodeGeneratorJS.pm:
(GenerateGetOwnPropertySlotBody):
(GenerateGetOwnPropertyDescriptorBody):
(GenerateHeader):
(GenerateImplementation):
* bindings/scripts/CodeGeneratorV8.pm:
(GenerateHeaderNamedAndIndexedPropertyAccessors):
(GenerateImplementationIndexer):

* bindings/scripts/test/TestTypedArray.idl: No change in run-bindings-tests results.

* html/canvas/CanvasPixelArray.idl:
* html/canvas/Float32Array.idl:
* html/canvas/Float64Array.idl:
* html/canvas/Int16Array.idl:
* html/canvas/Int32Array.idl:
* html/canvas/Int8Array.idl:
* html/canvas/Uint16Array.idl:
* html/canvas/Uint32Array.idl:
* html/canvas/Uint8Array.idl:
* html/canvas/Uint8ClampedArray.idl:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@107181 268f45cc-cd09-0410-ab3c-d52691b4dbfc