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

This reverts commit 1e787c38fa71f2a21fd728f1b1d620b9b09b0d3d.

BUG=

Review URL: https://codereview.chromium.org/54603004

git-svn-id: http://skia.googlecode.com/svn/trunk@12057 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkBlurMask.h b/src/effects/SkBlurMask.h
index 061cfde..e0b8d54 100644
--- a/src/effects/SkBlurMask.h
+++ b/src/effects/SkBlurMask.h
@@ -44,17 +44,19 @@
                                 Style style,
                                 SkIPoint* margin = NULL);
 
-    // DEPRECATED - radius-based
+    SK_ATTR_DEPRECATED("use sigma version")
     static bool BlurRect(SkMask *dst, const SkRect &src,
                          SkScalar radius, Style style,
                          SkIPoint *margin = NULL,
                          SkMask::CreateMode createMode =
                                                 SkMask::kComputeBoundsAndRenderImage_CreateMode);
-    // DEPRECATED - radius-based
+
+    SK_ATTR_DEPRECATED("use sigma version")
     static bool Blur(SkMask* dst, const SkMask& src,
                      SkScalar radius, Style style, Quality quality,
                      SkIPoint* margin = NULL);
-    // DEPRECATED - radius-based
+
+    SK_ATTR_DEPRECATED("use sigma version")
     static bool BlurGroundTruth(SkMask* dst, const SkMask& src,
                                 SkScalar radius, Style style,
                                 SkIPoint* margin = NULL);