Update code to use helper function for better readability/searching.

src/ports/SkXMLPullParser_expat.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkXMLParser.h"
@@ skipping 134 matching lines @@
     XML_Parser p = XML_ParserCreate(NULL);
     SkASSERT(p);
 
     fImpl->fData.fParser = p;
     fImpl->fData.fCurr = &fCurr;
 
     XML_SetElementHandler(p, start_proc, end_proc);
     XML_SetCharacterDataHandler(p, text_proc);
     XML_SetUserData(p, &fImpl->fData);
 
-    size_t len = fStream->read(NULL, 0);
+    size_t len = fStream->getLength();
     fImpl->fBufferLen = len;
     fImpl->fBuffer = sk_malloc_throw(len);
     fStream->rewind();
     size_t  len2 = fStream->read(fImpl->fBuffer, len);
     return len2 == len;
 }
 
 void SkXMLPullParser::onExit()
 {
     sk_free(fImpl->fBuffer);
@@ skipping 38 matching lines @@
             // return a start_tag, and clear the flag so we return end_tag next
             SkASSERT(SkXMLPullParser::END_TAG == fCurr.fEventType);
             fImpl->fData.fState = Data::RETURN_END_TAG;
             fImpl->fData.fEndTag = fCurr.fName;  // save this pointer
             return SkXMLPullParser::START_TAG;
         }
         break;
     }
     return fCurr.fEventType;
 }