removed calls to deprecated stringm ethods

layout/mathml/content/src/nsMathMLOperators.cpp

@@ -176,7 +176,7 @@ nsMathMLOperators::ReleaseTable(void)
 
 
 PRBool
-nsMathMLOperators::LookupOperator(const nsStr&          aOperator, 
+nsMathMLOperators::LookupOperator(const nsString&          aOperator, 
                                   const nsOperatorFlags aForm,
                                   nsOperatorFlags*      aFlags,
                                   float*                aLeftSpace,
@@ -217,6 +217,19 @@ nsMathMLOperators::LookupOperator(const nsStr&          aOperator,
 }
 
 
+
+PRBool
+nsMathMLOperators::LookupOperator(const nsCString&      aOperator, 
+                                  const nsOperatorFlags aForm,
+                                  nsOperatorFlags*      aFlags,
+                                  float*                aLeftSpace,
+                                  float*                aRightSpace)
+{
+  nsAutoString theOperator(aOperator);
+  return LookupOperator(theOperator,aForm,aFlags,aLeftSpace,aRightSpace);
+}
+
+
 #if 0
 // DEBUG
 // BEGIN TEST CODE: 

layout/mathml/content/src/nsMathMLOperators.h

@@ -116,7 +116,13 @@ public:
   // output parameter aFlags to know exactly under which form the operator was
   // found in the operator dictionary.
 
-  static PRBool LookupOperator(const nsStr&          aOperator,
+  static PRBool LookupOperator(const nsString&       aOperator,
+                               const nsOperatorFlags aForm,
+                               nsOperatorFlags*      aFlags,
+                               float*                aLeftSpace,
+                               float*                aRightSpace);
+
+  static PRBool LookupOperator(const nsCString&      aOperator,
                                const nsOperatorFlags aForm,
                                nsOperatorFlags*      aFlags,
                                float*                aLeftSpace,