Update all callsites to use info for pixelrefs

#define SK_SUPPORT_LEGACY_PIXELREF_CONSTRUCTOR in chrome to keep old API signature (for now)

BUG=
R=scroggo@google.com

Review URL: https://codereview.chromium.org/100723005

git-svn-id: http://skia.googlecode.com/svn/trunk@12677 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePicture.cpp b/samplecode/SamplePicture.cpp
index 66289af..2f7d691 100644
--- a/samplecode/SamplePicture.cpp
+++ b/samplecode/SamplePicture.cpp
@@ -40,7 +40,9 @@
 
         if (SkImageDecoder::DecodeStream(stream, &bm, SkBitmap::kNo_Config,
                                          SkImageDecoder::kDecodeBounds_Mode)) {
-            SkPixelRef* pr = new SkImageRef_GlobalPool(stream, bm.config(), 1);
+            SkImageInfo info;
+            bm.asImageInfo(&info);
+            SkPixelRef* pr = new SkImageRef_GlobalPool(info, stream, 1);
             bm.setPixelRef(pr)->unref();
         }
     }