ios fixes

tests/JpegTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkData.h"
 #include "SkForceLinking.h"
@@ skipping 419 matching lines @@
     REPORTER_ASSERT(reporter, bm8888.height() == goodJpegImageHeight);
     REPORTER_ASSERT(reporter, !(bm8888.empty()));
 
     // Pick a few pixels and verify that their colors match the colors
     // we expect (given the original image).
     REPORTER_ASSERT(reporter, bm8888.getColor(7, 9) == 0xffffffff);
     REPORTER_ASSERT(reporter, bm8888.getColor(28, 3) == 0xff000000);
     REPORTER_ASSERT(reporter, bm8888.getColor(27, 34) == 0xffffffff);
     REPORTER_ASSERT(reporter, bm8888.getColor(71, 18) == 0xff000000);
 
+#ifdef SK_BUILD_FOR_IOS  // the iOS jpeg decoder fills to gray
+    REPORTER_ASSERT(reporter, bm8888.getColor(127, 127) == 0xff808080
+            || bm8888.getColor(127, 127) == SK_ColorWHITE);
+#else
     // This is the fill color
     REPORTER_ASSERT(reporter, bm8888.getColor(127, 127) == SK_ColorWHITE);
+#endif
 
     #if JPEG_TEST_WRITE_TO_FILE_FOR_DEBUGGING
     // Check to see that the resulting bitmap is nice
     bool writeSuccess = (!(bm8888.empty())) && SkImageEncoder::EncodeFile(
         "HalfOfAJpeg.png", bm8888, SkImageEncoder::kPNG_Type, 100);
     SkASSERT(writeSuccess);
     #endif
 }