Pass through the profile info when creating a high-quality scaled offscreen.

src/core/SkBitmapScaler.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 "SkBitmapScaler.h"
 #include "SkBitmapFilter.h"
 #include "SkConvolver.h"
@@ skipping 232 matching lines @@
 }
 
 bool SkBitmapScaler::Resize(SkBitmap* resultPtr, const SkPixmap& source, ResizeMethod method,
                             int destWidth, int destHeight, SkBitmap::Allocator* allocator) {
     // Preflight some of the checks, to avoid allocating the result if we don't need it.
     if (!valid_for_resize(source, destWidth, destHeight)) {
         return false;
     }
 
     SkBitmap result;
-    result.setInfo(SkImageInfo::MakeN32(destWidth, destHeight, source.alphaType()));
+    // Note: pass along the profile information even thought this is no the right answer because

[reed1, 2016/04/18 20:37:08]

possibly use

source.info().makeWH(destWidth, destHeight);

+    // this could be scaling in sRGB.
+    result.setInfo(SkImageInfo::MakeN32(destWidth, destHeight,
+                                        source.alphaType(), source.info().profileType()));
     result.allocPixels(allocator, nullptr);
 
     SkPixmap resultPM;
     if (!result.peekPixels(&resultPM) || !Resize(resultPM, source, method)) {
         return false;
     }
 
     *resultPtr = result;
     resultPtr->lockPixels();
     SkASSERT(resultPtr->getPixels());
     return true;
 }