add SK_ATTR_DEPRECATED -- will need to disable for chrome, since it triggers a warning

BUG=
R=robertphillips@google.com, senorblanco@chromium.org, vandebo@chromium.org

Review URL: https://codereview.chromium.org/51033004

git-svn-id: http://skia.googlecode.com/svn/trunk@12055 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/images/SkImageEncoder_argb.cpp b/src/images/SkImageEncoder_argb.cpp
index 5abc23c..97b741b 100644
--- a/src/images/SkImageEncoder_argb.cpp
+++ b/src/images/SkImageEncoder_argb.cpp
@@ -87,7 +87,7 @@
 }
 
 bool SkARGBImageEncoder::onEncode(SkWStream* stream, const SkBitmap& bitmap, int) {
-    const SkBitmap::Config config = bitmap.getConfig();
+    const SkBitmap::Config config = bitmap.config();
     const ScanlineImporter scanline_import = ChooseImporter(config);
     if (NULL == scanline_import) {
         return false;