Added a mapping method to take PRUnichar* as an input string, bug 125077, r=ftang, sr=blizzard.

intl/unicharutil/public/nsITextTransform.h

@@ -56,6 +56,7 @@ public:
 
   NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITEXTTRANSFORM_IID)
 
+  NS_IMETHOD Change( const PRUnichar* aText, PRInt32 aTextLength, nsString& aResult) = 0;
   NS_IMETHOD Change( nsString& aText, nsString& aResult) = 0;
 
 };

intl/unicharutil/src/nsHankakuToZenkaku.cpp

@@ -136,6 +136,7 @@ public:
 
   nsHankakuToZenkaku() ;
   virtual ~nsHankakuToZenkaku() ;
+  NS_IMETHOD Change( const PRUnichar* aText, PRInt32 aTextLength, nsString& aResult);
   NS_IMETHOD Change( nsString& aText, nsString& aResult);
 
 };
@@ -150,6 +151,17 @@ nsHankakuToZenkaku::~nsHankakuToZenkaku()
 {
 }
 
+NS_IMETHODIMP nsHankakuToZenkaku::Change( const PRUnichar* aText, PRInt32 aTextLength, nsString& aResult)
+{
+  PRInt32 ol;
+  aResult.SetCapacity(aTextLength);
+   
+  HankakuToZenkaku ( aText, aTextLength, (PRUnichar*) aResult.get(), aTextLength, &ol);
+  aResult.SetLength(ol);
+
+  return NS_OK;
+}
+
 NS_IMETHODIMP nsHankakuToZenkaku::Change( nsString& aText, nsString& aResult)
 {
    aResult = aText;