fix bug 75814. add hkscs support

r=nhotta
sr=blizzard

intl/uconv/ucvtw/nsUCvTWCID.h

@@ -77,4 +77,10 @@ NS_DECLARE_ID(kUnicodeToBIG5HKSCSCID,
 #define NS_UNICODETOBIG5HKSCS_CID \
   { 0xba6151bc, 0xec62, 0x11d2, {0x8a, 0xac, 0x0, 0x60, 0x8, 0x11, 0xa8, 0x36}}
 
+// Class ID for our UnicodeToHKSCS charset converter
+// {A59DA931-4091-11d5-A145-005004832142}
+#define NS_UNICODETOHKSCS_CID \
+  { 0xa59da931, 0x4091, 0x11d5, { 0xa1, 0x45, 0x0, 0x50, 0x4, 0x83, 0x21, 0x42 } }
+
+
 #endif /* nsUCvTWCID_h___ */

intl/uconv/ucvtw/nsUCvTwModule.cpp

@@ -39,6 +39,7 @@
 #include "nsUnicodeToBIG5NoAscii.h"
 #include "nsBIG5HKSCSToUnicode.h"
 #include "nsUnicodeToBIG5HKSCS.h"
+#include "nsUnicodeToHKSCS.h"
 
 //----------------------------------------------------------------------------
 // Global functions and data [declaration]
@@ -78,12 +79,14 @@ NS_UCONV_REG_UNREG(nsUnicodeToBIG5NoAscii, "Unicode", "x-x-big5",  NS_UNICODETOB
 NS_UCONV_REG_UNREG(nsUnicodeToBIG5, "Unicode", "Big5" , NS_UNICODETOBIG5_CID);
 NS_UCONV_REG_UNREG(nsBIG5HKSCSToUnicode, "Big5-HKSCS", "Unicode" , NS_BIG5HKSCSTOUNICODE_CID);
 NS_UCONV_REG_UNREG(nsUnicodeToBIG5HKSCS, "Unicode", "Big5-HKSCS" , NS_UNICODETOBIG5HKSCS_CID);
+NS_UCONV_REG_UNREG(nsUnicodeToHKSCS, "Unicode", "hkscs-1" , NS_UNICODETOHKSCS_CID);
 
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsBIG5ToUnicode);
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsUnicodeToBIG5);
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsUnicodeToBIG5NoAscii);
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsBIG5HKSCSToUnicode);
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsUnicodeToBIG5HKSCS);
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsUnicodeToHKSCS);
 
 static nsModuleComponentInfo components[] = 
 {
@@ -111,6 +114,12 @@ static nsModuleComponentInfo components[] =
     nsUnicodeToBIG5HKSCSConstructor,
     nsUnicodeToBIG5HKSCSRegSelf, nsUnicodeToBIG5HKSCSUnRegSelf
   },
+  {
+    ENCODER_NAME_BASE "hkscs-1" , NS_UNICODETOHKSCS_CID,
+    NS_UNICODEENCODER_CONTRACTID_BASE "hkscs-1",
+    nsUnicodeToHKSCSConstructor,
+    nsUnicodeToHKSCSRegSelf, nsUnicodeToHKSCSUnRegSelf
+  },
   {
     DECODER_NAME_BASE "Big5-HKSCS" , NS_BIG5HKSCSTOUNICODE_CID,
     NS_UNICODEDECODER_CONTRACTID_BASE "Big5-HKSCS",