HII Library Class interface refine.

The "HiiLib" prefix for all HII Library API function names changed to "Hii".

Remove: 
  HiiLibPreparePackageList(), replaced by HiiAddPackages()
  HiiLibNewString(), replaced by HiiSetString()
  HiiLibGetStringFromHandle(), replaced by HiiGetString()
  HiiLibGetStringFromToken(), replaced by HiiGetPackageString()
  HiiLibExtractGuidFromHiiHandle()
  HiiLibDevicePathToHiiHandle()
  HiiLibGetSupportedSecondaryLanguages()
  HiiLibGetSupportedLanguageNumber()
  HiiLibExportPackageLists()
  HiiLibListPackageLists()
  
Interface change:
  HiiAddPackages()
  HiiSetString()
  HiiGetString()
  HiiGetHiiHandles()

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8083 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Library/UefiHiiLib/InternalHiiLib.h

@@ -48,17 +48,23 @@ extern CONST EFI_HII_DATABASE_PROTOCOL         *mHiiDatabaseProt;
 extern CONST EFI_HII_STRING_PROTOCOL           *mHiiStringProt;
 
 /**
-  This function check if the Hii Handle is a valid handle registered
-  in the HII database.
+  Extract Hii package list GUID for given HII handle.
 
-  @param HiiHandle The HII Handle.
+  If HiiHandle could not be found in the HII database, then ASSERT.
+  If Guid is NULL, then ASSERT.
+
+  @param  Handle              Hii handle
+  @param  Guid                Package list GUID
+
+  @retval EFI_SUCCESS            Successfully extract GUID from Hii database.
 
-  @retval TRUE If it is a valid HII handle.
-  @retval FALSE If it is a invalid HII handle.
 **/
-BOOLEAN
-IsHiiHandleRegistered (
-  EFI_HII_HANDLE    HiiHandle
-  );
+EFI_STATUS
+EFIAPI
+InternalHiiExtractGuidFromHiiHandle (
+  IN      EFI_HII_HANDLE      Handle,
+  OUT     EFI_GUID            *Guid
+  )
+;
 
 #endif