Use SkJpegEncoder in gfx jpeg_codec

components/user_manager/user_image/user_image.cc

Index: components/user_manager/user_image/user_image.cc
diff --git a/components/user_manager/user_image/user_image.cc b/components/user_manager/user_image/user_image.cc
index db293d53b30249a1bfa9cc8849b64a78e63933eb..1e711c5efd1cfd0567d520e8e0362d90fda814cb 100644
--- a/components/user_manager/user_image/user_image.cc
+++ b/components/user_manager/user_image/user_image.cc
@@ -29,13 +29,11 @@ scoped_refptr<base::RefCountedBytes> UserImage::Encode(
   std::vector<unsigned char> output;
   auto* bitmap_data = reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0));

[scroggo_chromium, 2017/06/07 18:43:56]

This can be moved into the else case (until we update PNGCodec).

[msarett1, 2017/06/07 20:51:10]

Done.

   if (image_format == FORMAT_JPEG) {
-    if (gfx::JPEGCodec::Encode(
-            bitmap_data,
-            gfx::JPEGCodec::FORMAT_SkBitmap,
-            bitmap.width(),
-            bitmap.height(),
-            bitmap.width() * bitmap.bytesPerPixel(),
-            kDefaultEncodingQuality, &output)) {
+    SkPixmap pixmap;
+    bool success = bitmap.peekPixels(&pixmap);
+    DCHECK(success);
+
+    if (gfx::JPEGCodec::Encode(pixmap, kDefaultEncodingQuality, &output)) {
       return base::RefCountedBytes::TakeVector(&output);
     }
   } else if (image_format == FORMAT_PNG) {