2011-03-22 Anders Carlsson <andersca@apple.com>

        Reviewed by Sam Weinig.

        OBJECT element with DivX source is always downloaded
        https://bugs.webkit.org/show_bug.cgi?id=56879

        * Plugins/WebBasePluginPackage.mm:
        (-[WebBasePluginPackage getPluginInfoFromPLists]):
        Always try to split every element in the "WebPluginExtensions" array, since the DivX plug-in
        specifies multiple file extensions in a single element.
2011-03-22  Anders Carlsson  <andersca@apple.com>

        Reviewed by Sam Weinig.

        OBJECT element with DivX source is always downloaded
        https://bugs.webkit.org/show_bug.cgi?id=56879

        * Shared/Plugins/Netscape/mac/NetscapePluginModuleMac.mm:
        (WebKit::getPluginInfoFromPropertyLists):
        Always try to split every element in the "WebPluginExtensions" array, since the DivX plug-in
        specifies multiple file extensions in a single element.
        
        * WebProcess/WebCoreSupport/WebFrameLoaderClient.cpp:
        (WebKit::pluginSupportsExtension):
        Add a new helper function.

        (WebKit::WebFrameLoaderClient::objectContentType):
        If we can't find the MIME for an extension, explicitly check if there's a plugin that claims to
        handle the given extension.


git-svn-id: svn://svn.chromium.org/blink/trunk@81732 bbb929c8-8fbe-4397-9dbb-9b2b20218538