WebCore:

WebCore:

        Reviewed by Dave

        Added execCommand support for cut/copy/paste.

        * khtml/xml/dom_docimpl.cpp:
        (DocumentImpl::execCommand): Added cut/copy/paste atoms and added else if cases
        for the commands.
        * kwq/KWQKHTMLPart.h:
        * kwq/KWQKHTMLPart.mm:
        (KWQKHTMLPart::issueCutCommand): Glue for calling from WebCore to do a cut in Cocoa.
        (KWQKHTMLPart::issueCopyCommand): Same as above, but for copy.
        (KWQKHTMLPart::issuePasteCommand): Same as above, but for paste.
        * kwq/WebCoreBridge.h: Declared issueCutCommand, issueCopyCommand, and issuePasteCommand
        to be implemented on the WebKit side of the bridge.
        * layout-tests/editing/editing.js: Added cut/copy/paste support to js library to support
        making layout tests.
        * layout-tests/editing/pasteboard/copy-paste-text-001-expected.txt: Added.
        * layout-tests/editing/pasteboard/copy-paste-text-001.html: Added.
        * layout-tests/editing/pasteboard/cut-paste-text-002-expected.txt: Added.
        * layout-tests/editing/pasteboard/cut-paste-text-002.html: Added.
        * layout-tests/editing/pasteboard/cut-text-001-expected.txt: Added.
        * layout-tests/editing/pasteboard/cut-text-001.html: Added.

WebKit:

        Reviewed by Dave

        Added execCommand support for cut/copy/paste.

        * WebCoreSupport.subproj/WebBridge.m:
        (-[WebBridge issueCutCommand]): Glue for calling from WebCore to do a cut in Cocoa.
        (-[WebBridge issueCopyCommand]): Same as above, but for copy.
        (-[WebBridge issuePasteCommand]): Same as above, but for paste.
        * WebView.subproj/WebHTMLView.m:
        (-[WebHTMLView copy:]): Move this to private implementation category so the bridge can see it.
        (-[WebHTMLView cut:]): Ditto.
        (-[WebHTMLView paste:]): Ditto.
        * WebView.subproj/WebHTMLViewPrivate.h: Move copy;, cut:, and paste: to private implementation
        category so the bridge can see it.
        * WebView.subproj/WebView.m:
        (-[WebView copy:]): Implemented by calling WebHTMLView to do the work.
        (-[WebView cut:]): Ditto.
        (-[WebView paste:]): Ditto.
        * WebView.subproj/WebViewPrivate.h: Added all the NSReponder methods we plan to implement as
        part of the WebKit editing API.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@6352 268f45cc-cd09-0410-ab3c-d52691b4dbfc