Rename notification properties and functions

Rename notification properties and functions
https://bugs.webkit.org/show_bug.cgi?id=80482
<rdar://problem/10912432>

Reviewed by Kentaro Hara.

Source/WebCore:

Change method name to close(), and set tag property on Notifications, based on discussions in WG:
http://lists.w3.org/Archives/Public/public-web-notification/2012Mar/0024.html
http://lists.w3.org/Archives/Public/public-web-notification/2012Mar/0013.html

* notifications/Notification.cpp:
(WebCore::Notification::~Notification): Use close().
(WebCore::Notification::close):
* notifications/Notification.h:
(Notification):
(WebCore::Notification::cancel): Wrap in ENABLE(LEGACY_NOTIFICATIONS), and use close().
(WebCore::Notification::replaceId): Wrap in ENABLE(LEGACY_NOTIFICATIONS), and use tag().
(WebCore::Notification::setReplaceId): Wrap in ENABLE(LEGACY_NOTIFICATIONS), and use setTag().
(WebCore::Notification::tag):
(WebCore::Notification::setTag):
* notifications/Notification.idl: Preserve cancel() and replaceID in ENABLE(LEGACY_NOTIFICATIONS), and
close() and tag in ENABLE(NOTIFICATIONS).

Source/WebKit/chromium:

* src/WebNotification.cpp:
(WebKit::WebNotification::replaceId): Refactor to call tag().

Source/WebKit/mac:

* WebView/WebNotification.h: Rename replaceID to tag.
* WebView/WebNotification.mm:
(-[WebNotification tag]):

Source/WebKit/qt:

* WebCoreSupport/NotificationPresenterClientQt.cpp:
(WebCore::NotificationPresenterClientQt::show): Refactor to call tag().
(WebCore::NotificationPresenterClientQt::removeReplacedNotificationFromQueue): Refactor to call tag().

Source/WebKit2:

Rename APIs to use tag.
* UIProcess/API/C/WKNotification.cpp:
(WKNotificationCopyTag):
* UIProcess/API/C/WKNotification.h:
* UIProcess/Notifications/WebNotification.cpp:
(WebKit::WebNotification::WebNotification):
* UIProcess/Notifications/WebNotification.h:
(WebKit::WebNotification::create):
(WebKit::WebNotification::tag):
(WebNotification):
* UIProcess/Notifications/WebNotificationManagerProxy.cpp:
(WebKit::WebNotificationManagerProxy::show):
* UIProcess/Notifications/WebNotificationManagerProxy.h:
(WebNotificationManagerProxy):
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::showNotification):
* UIProcess/WebPageProxy.h:
(WebPageProxy):
* UIProcess/WebPageProxy.messages.in:
* WebProcess/Notifications/WebNotificationManager.cpp:
(WebKit::WebNotificationManager::show):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@112821 268f45cc-cd09-0410-ab3c-d52691b4dbfc