[GTK] Refactor GTK's accessibilitity code to be more modular

[GTK] Refactor GTK's accessibilitity code to be more modular
https://bugs.webkit.org/show_bug.cgi?id=76783

Reviewed by Martin Robinson.

Don't expose functions for the ATK interfaces in header files.

Expose only the initialization function for each interface, and
use the generic functions from ATK interfaces where needed.

* accessibility/gtk/WebKitAccessibleInterfaceAction.cpp:
(webkitAccessibleActionDoAction): Made this function static.
(webkitAccessibleActionGetNActions): Ditto.
(webkitAccessibleActionGetDescription): Ditto.
(webkitAccessibleActionGetKeybinding): Ditto.
(webkitAccessibleActionGetName): Ditto.
(webkitAccessibleActionInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceAction.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceComponent.cpp:
(webkitAccessibleComponentRefAccessibleAtPoint): Made this function static.
(webkitAccessibleComponentGetExtents): Ditto.
(webkitAccessibleComponentGrabFocus): Ditto.
(webkitAccessibleComponentInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceComponent.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceDocument.cpp:
(webkitAccessibleDocumentGetAttributeValue): Made this function static.
(webkitAccessibleDocumentGetAttributes): Ditto.
(webkitAccessibleDocumentGetLocale): Ditto.
(webkitAccessibleDocumentInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceDocument.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceEditableText.cpp:
(webkitAccessibleEditableTextSetRunAttributes): Made this function static.
(webkitAccessibleEditableTextSetTextContents): Ditto.
(webkitAccessibleEditableTextInsertText): Ditto.
(webkitAccessibleEditableTextCopyText): Ditto.
(webkitAccessibleEditableTextCutText): Ditto.
(webkitAccessibleEditableTextDeleteText): Ditto.
(webkitAccessibleEditableTextPasteText): Ditto.
(webkitAccessibleEditableTextInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceEditableText.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceHyperlinkImpl.cpp:
(webkitAccessibleHyperlinkImplGetHyperlink): Made this function static.
(webkitAccessibleHyperlinkImplInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceHyperlinkImpl.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceHypertext.cpp:
(webkitAccessibleHypertextGetLink): Made this function static.
(webkitAccessibleHypertextGetNLinks): Ditto.
(webkitAccessibleHypertextGetLinkIndex): Ditto.
(webkitAccessibleHypertextInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceHypertext.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceImage.cpp:
(webkitAccessibleImageGetImagePosition): Made this function static.
(webkitAccessibleImageGetImageDescription): Ditto.
(webkitAccessibleImageGetImageSize): Ditto.
(webkitAccessibleImageInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceImage.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceSelection.cpp:
(webkitAccessibleSelectionAddSelection): Made this function static.
(webkitAccessibleSelectionClearSelection): Ditto.
(webkitAccessibleSelectionRefSelection): Ditto.
(webkitAccessibleSelectionGetSelectionCount): Ditto.
(webkitAccessibleSelectionIsChildSelected): Ditto.
(webkitAccessibleSelectionRemoveSelection): Ditto.
(webkitAccessibleSelectionSelectAllSelection): Ditto.
(webkitAccessibleSelectionInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceSelection.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceTable.cpp:
(webkitAccessibleTableRefAt): Made this function static.
(webkitAccessibleTableGetIndexAt): Ditto.
(webkitAccessibleTableGetColumnAtIndex): Ditto.
(webkitAccessibleTableGetRowAtIndex): Ditto.
(webkitAccessibleTableGetNColumns): Ditto.
(webkitAccessibleTableGetNRows): Ditto.
(webkitAccessibleTableGetColumnExtentAt): Ditto.
(webkitAccessibleTableGetRowExtentAt): Ditto.
(webkitAccessibleTableGetColumnHeader): Ditto.
(webkitAccessibleTableGetRowHeader): Ditto.
(webkitAccessibleTableGetCaption): Ditto.
(webkitAccessibleTableGetColumnDescription): Ditto.
(webkitAccessibleTableGetRowDescription): Ditto.
(webkitAccessibleTableInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceTable.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceText.cpp:
(textForRenderer): Made this function static.
(textForObject): Ditto.
(webkitAccessibleTextGetText): Ditto.
(webkitAccessibleTextGetTextAfterOffset): Ditto.
(webkitAccessibleTextGetTextAtOffset): Ditto.
(webkitAccessibleTextGetTextBeforeOffset): Ditto.
(webkitAccessibleTextGetCharacterAtOffset): Ditto.
(webkitAccessibleTextGetCaretOffset): Ditto.
(webkitAccessibleTextGetRunAttributes): Ditto.
(webkitAccessibleTextGetDefaultAttributes): Ditto.
(webkitAccessibleTextGetCharacterExtents): Ditto.
(webkitAccessibleTextGetRangeExtents): Ditto.
(webkitAccessibleTextGetCharacterCount): Ditto.
(webkitAccessibleTextGetOffsetAtPoint): Ditto.
(webkitAccessibleTextGetNSelections): Ditto.
(webkitAccessibleTextGetSelection): Ditto.
(webkitAccessibleTextAddSelection): Ditto.
(webkitAccessibleTextSetSelection): Ditto.
(webkitAccessibleTextRemoveSelection): Ditto.
(webkitAccessibleTextSetCaretOffset): Ditto.
(webkitAccessibleTextInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceText.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleInterfaceValue.cpp:
(webkitAccessibleValueGetCurrentValue): Made this function static.
(webkitAccessibleValueGetMaximumValue): Ditto.
(webkitAccessibleValueGetMinimumValue): Ditto.
(webkitAccessibleValueSetCurrentValue): Ditto.
(webkitAccessibleValueGetMinimumIncrement): Ditto.
(webkitAccessibleValueInterfaceInit): Moved to the bottom.
* accessibility/gtk/WebKitAccessibleInterfaceValue.h: Removed all
functions but the one for initializing the interface from here.

* accessibility/gtk/WebKitAccessibleWrapperAtk.cpp:
(webkitAccessibleGetName): Replace call to
webkitAccessibleTextGetText with atk_text_get_text.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105791 268f45cc-cd09-0410-ab3c-d52691b4dbfc