Moved FrameLoader from WebCoreFrameBridge to Frame.  Frame.h/cpp have generic accessors to the FrameLoader itself
        and creation/deletion is currently managed in FrameMac.mm

        Besides explicitly commented-upon methods, most of the touched code simply changes to get the FrameLoader from the 
        frame instead of the bridge.

        The method [WebCoreFrameBridge frameLoader] remains but only for WebKit's use - No new WebCore code should make 
        use of it as its days are numbered!

        * bridge/mac/FrameMac.mm:
        (WebCore::FrameMac::FrameMac): Create the FrameLoader
        (WebCore::FrameMac::~FrameMac): Nuke it
        (WebCore::FrameMac::loadRequest):

        * bridge/mac/WebCoreFrameBridge.h: No longer holds an m_frameLoader
        * bridge/mac/WebCoreFrameBridge.mm:
        (-[WebCoreFrameBridge initMainFrameWithPage:withEditorClient:]): No longer creates the FrameLoader
        (-[WebCoreFrameBridge initSubframeWithOwnerElement:withEditorClient:]): Ditto
        (-[WebCoreFrameBridge clearFrame]): No longer tears down the FrameLoader
        (-[WebCoreFrameBridge setFrameLoaderClient:]):
        (-[WebCoreFrameBridge frameLoader]):
        (-[WebCoreFrameBridge setTitle:]):
        (-[WebCoreFrameBridge didFirstLayout]):
        (-[WebCoreFrameBridge notifyIconChanged:]):
        (-[WebCoreFrameBridge originalRequestURL]):
        (-[WebCoreFrameBridge isLoadTypeReload]):
        (-[WebCoreFrameBridge frameDetached]):
        (-[WebCoreFrameBridge tokenizerProcessedData]):
        (-[WebCoreFrameBridge receivedData:textEncodingName:]):
        (-[WebCoreFrameBridge objectLoadedFromCacheWithURL:response:data:]):
        (-[WebCoreFrameBridge reportClientRedirectToURL:delay:fireDate:lockHistory:isJavaScriptFormAction:]):
        (-[WebCoreFrameBridge reportClientRedirectCancelled:]):
        (-[WebCoreFrameBridge syncLoadResourceWithMethod:URL:customHeaders:postData:finalURL:responseHeaders:statusCode:]):
        (-[WebCoreFrameBridge incomingReferrer]):
        (-[WebCoreFrameBridge isReloading]):
        (-[WebCoreFrameBridge handledOnloadEvents]):
        (-[WebCoreFrameBridge mainResourceURLResponse]):
        (-[WebCoreFrameBridge loadEmptyDocumentSynchronously]):

        * loader/mac/WebDocumentLoader.mm:
        (WebCore::DocumentLoader::frameLoader):

        * loader/mac/WebFrameLoader.mm:
        (WebCore::FrameLoader::load):
        (WebCore::FrameLoader::stopLoadingSubframes):
        (WebCore::FrameLoader::defersCallbacksChanged):
        (WebCore::FrameLoader::setState):
        (WebCore::FrameLoader::closeOldDataSources):
        (WebCore::FrameLoader::subframeIsLoading):
        (WebCore::FrameLoader::continueLoadRequestAfterNewWindowPolicy):
        (WebCore::FrameLoader::post):
        (WebCore::FrameLoader::detachChildren):
        (WebCore::FrameLoader::checkLoadComplete):

        * loader/mac/WebLoader.mm:
        (WebCore::WebResourceLoader::frameLoader):

        * loader/mac/WebSubresourceLoader.mm:
        (-[WebCoreSubresourceHandle initWithLoader:]):

        * page/Frame.cpp:
        (WebCore::Frame::frameLoader):
        * page/Frame.h:
        * page/FramePrivate.h:
        (WebCore::FramePrivate::FramePrivate):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@17247 268f45cc-cd09-0410-ab3c-d52691b4dbfc