<https://bugs.webkit.org/show_bug.cgi?id=27007>

        Reviewed by Sam Weinig.

WebCore:

        * WebCore.xcodeproj/project.pbxproj: Added IconDatabaseNone.cpp
        to the project.
        * loader/icon/IconDatabase.cpp: Added
        #if ENABLE(ICONDATABASE)/#endif macro guard.
        * loader/icon/IconDatabase.h: Removed three public methods from
        #if ENABLE(ICONDATABASE)/#endif macro so that they may be
        stubbed out in IconDatabaseNone.cpp.
        * loader/icon/IconDatabaseNone.cpp: Added
        #if !ENABLE(ICONDATABASE)/#endif macro guard.
        (WebCore::IconDatabase::importIconURLForPageURL): Added.
        (WebCore::IconDatabase::importIconDataForIconURL): Added.
        (WebCore::IconDatabase::shouldStopThreadActivity): Added.

WebKit/mac:

        * Misc/WebIconDatabase.mm:
        (defaultClient): Return 0 if ICONDATABASE is disabled.
        * WebCoreSupport/WebFrameLoaderClient.mm:
        (WebFrameLoaderClient::dispatchDidReceiveIcon): Commented out
        the body of the method if ICONDATABASE is disabled.
        (WebFrameLoaderClient::registerForIconNotification): Ditto.
        * WebCoreSupport/WebIconDatabaseClient.mm: Added #if
        ENABLE(ICONDATABASE)/#endif guard to source.
        * WebView/WebView.mm:
        (-[WebView setFrameLoadDelegate:]): Wrapped code that starts the
        icon database machinery in #if ENABLE(ICONDATABASE)/#endif.
        (-[WebView _registerForIconNotification:]): Wrapped method in
        #if ENABLE(ICONDATABASE)/#endif guard.
        (-[WebView _dispatchDidReceiveIconFromWebFrame:]): Ditto.
        * WebView/WebViewInternal.h: Wrapped methods in #if
        ENABLE(ICONDATABASE)/#endif guard.
        (-[WebView _registerForIconNotification:]):
        (-[WebView _dispatchDidReceiveIconFromWebFrame:]):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@45750 268f45cc-cd09-0410-ab3c-d52691b4dbfc