Reviewed by Anders Carlsson.

        Even more cleanup in preparation for fixing <rdar://problem/4608404> 
        WebScriptObject's _executionContext lack of ownership policy causes 
        crashes (e.g., in Dashcode)
        
        Layout tests pass.
        
        Renames:
            findRootObjectForNativeHandleFunction => createRootObject
            FindRootObjectForNativeHandleFunctionPtr => CreateRootObjectFunction
            
        Also removed unnecessary use of "Bindings::" prefix.

        * JavaScriptCore.exp:
        * bindings/jni/jni_jsobject.cpp:
        (JavaJSObject::createNative):
        (JavaJSObject::convertValueToJObject):
        (JavaJSObject::convertJObjectToValue):
        * bindings/runtime_root.cpp:
        (KJS::Bindings::RootObject::setCreateRootObject):
        * bindings/runtime_root.h:
        (KJS::Bindings::RootObject::createRootObject):

WebCore:

        Reviewed by Anders Carlsson.
        
        Even more cleanup in preparation for fixing <rdar://problem/4608404> 
        WebScriptObject's _executionContext lack of ownership policy causes 
        crashes (e.g., in Dashcode)
        
        Layout tests pass.
        
        Renames:
            findRootObjectForNativeHandleFunction => createRootObject
            FindRootObjectForNativeHandleFunctionPtr => createRootObjectFunction
            rootForView => createRootObject
            getInstanceForView => getPluginInstanceForWidget

        * page/mac/FrameMac.mm:
        (WebCore::FrameMac::getAppletInstanceForWidget): Put the NSView * in a void*
        variable named "nativeHandle" to be more explicit about the fact that JavaScript's
        "nativeHandle" is just an NSView *.

        (WebCore::getPluginInstanceForWidget): This function now does the NSView *
        fetching that its callers used to do.
        (WebCore::FrameMac::getEmbedInstanceForWidget): Updated for rename.
        (WebCore::FrameMac::getObjectInstanceForWidget): ditto

        * page/mac/WebCoreFrameBridge.mm: Killed the WebCoreBridgeInternal category,
        which was really more of a shmategory.
        (createRootObject): Removed rootObjectForView, folding it into its only
        caller, the similarly named rootForView. Renamed the pair to "createRootObject"
        because that's what they do.

        (-[WebCoreFrameBridge init]): Updated for renames



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@18782 268f45cc-cd09-0410-ab3c-d52691b4dbfc