Made KPartition abstract and derived two classes, KPhysicalPartition

and KShadowPartition from it. KPhysicalPartition represents a partition
that exists on-disk, while KShadowPartition is a partition edited by the
API user, but not yet written to disk. Related changes in other classes.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3851 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/disk_device_manager/KFileDiskDevice.h

@@ -22,8 +22,6 @@ public:
 
 	const char *FilePath() const;
 
-	virtual KPartition *CreateShadowPartition();
-
 //	virtual void Dump(bool deep = true, int32 level = 0);
 
 private: