removed bug from deque, and added replaceChar call to string

git-svn-id: svn://10.0.0.236/trunk@20767 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/string/obsolete/nsString.cpp

@@ -1400,6 +1400,28 @@ nsString& nsString::StripWhitespace()
   return StripChars("\r\t\n");
 }
 
+/**
+ *  This method is used to replace all occurances of the
+ *  given source char with the given dest char
+ *  
+ *  @param  
+ *  @return *this 
+ */
+nsString& nsString::ReplaceChar(PRUnichar aSourceChar, PRUnichar aDestChar) {
+  PRUnichar* from = mStr;
+  PRUnichar* end = mStr + mLength;
+
+  while (from < end) {
+    PRUnichar ch = *from;
+    if(ch==aSourceChar) {
+      *from = aDestChar;
+    }
+    from++;
+  }
+
+  return *this;
+}
+
 /**
  *  Search for given character within this string.
  *  This method does so by using a binary search,