SkPDF: Implement drawImage*() properly

src/pdf/SkJpegInfo.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkData.h"
 #include "SkJpegInfo.h"
 
@@ skipping 89 matching lines @@
         return false;  // SOF segment is short
     }
     if (8 != segment.data()[0]) {
         return false;  // Only support 8-bit precision
     }
     int numberOfComponents = segment.data()[5];
     if (numberOfComponents != 1 && numberOfComponents != 3) {
         return false;  // Invalid JFIF
     }
     if (info) {
-        info->fHeight = JpegSegment::GetBigendianUint16(&segment.data()[1]);
-        info->fWidth = JpegSegment::GetBigendianUint16(&segment.data()[3]);
+        info->fSize.set(JpegSegment::GetBigendianUint16(&segment.data()[3]),
+                        JpegSegment::GetBigendianUint16(&segment.data()[1]));
         if (numberOfComponents == 3) {
             info->fType = SkJFIFInfo::kYCbCr;
         } else {
             info->fType = SkJFIFInfo::kGrayscale;
         }
     }
     return true;
 }