substitute calls to deprecated string API

htmlparser/src/nsHTMLContentSinkStream.cpp

@@ -1068,7 +1068,7 @@ nsHTMLContentSinkStream::AddLeaf(const nsIParserNode& aNode){
           if (start < 0)
             start = 0;
           
-          indx = str.Find(' ',start);
+          indx = str.FindChar(' ',PR_FALSE,start);
 
           // if there is no break than just add it
           if (indx == kNotFound)

htmlparser/src/nsXIFDTD.cpp

@@ -417,8 +417,8 @@ eAutoDetectResult nsXIFDTD::CanParse(nsString& aContentType, nsString& aCommand,
     offset = aBuffer.Find(kXIFCharset);
     if (kNotFound!=offset)
     {
-      PRInt32 start = aBuffer.Find('"',offset);
-      PRInt32 end = aBuffer.Find('"',start+1);
+      PRInt32 start = aBuffer.FindChar('"',PR_FALSE,offset);
+      PRInt32 end = aBuffer.FindChar('"',PR_FALSE,start+1);
 
       if ((start != kNotFound) && (end != kNotFound))
       {

parser/htmlparser/src/nsHTMLContentSinkStream.cpp

@@ -1068,7 +1068,7 @@ nsHTMLContentSinkStream::AddLeaf(const nsIParserNode& aNode){
           if (start < 0)
             start = 0;
           
-          indx = str.Find(' ',start);
+          indx = str.FindChar(' ',PR_FALSE,start);
 
           // if there is no break than just add it
           if (indx == kNotFound)

parser/htmlparser/src/nsXIFDTD.cpp

@@ -417,8 +417,8 @@ eAutoDetectResult nsXIFDTD::CanParse(nsString& aContentType, nsString& aCommand,
     offset = aBuffer.Find(kXIFCharset);
     if (kNotFound!=offset)
     {
-      PRInt32 start = aBuffer.Find('"',offset);
-      PRInt32 end = aBuffer.Find('"',start+1);
+      PRInt32 start = aBuffer.FindChar('"',PR_FALSE,offset);
+      PRInt32 end = aBuffer.FindChar('"',PR_FALSE,start+1);
 
       if ((start != kNotFound) && (end != kNotFound))
       {