Matrix convolution bounds fix; affectsTransparentBlack fixes.

src/effects/SkColorFilterImageFilter.cpp

Index: src/effects/SkColorFilterImageFilter.cpp
diff --git a/src/effects/SkColorFilterImageFilter.cpp b/src/effects/SkColorFilterImageFilter.cpp
index 8d394aa17b42b882ee79f7d92218342d84769692..b0e47505a7399f6ed7b1aacec5f80ca17abfd305 100644
--- a/src/effects/SkColorFilterImageFilter.cpp
+++ b/src/effects/SkColorFilterImageFilter.cpp
@@ -99,8 +99,11 @@ bool SkColorFilterImageFilter::onIsColorFilterNode(SkColorFilter** filter) const
     return false;
 }
 
-bool SkColorFilterImageFilter::affectsTransparentBlack() const {
-    return fColorFilter->affectsTransparentBlack();
+bool SkColorFilterImageFilter::canComputeFastBounds() const {
+    if (fColorFilter->affectsTransparentBlack()) {
+        return false;
+    }
+    return INHERITED::canComputeFastBounds();
 }
 
 #ifndef SK_IGNORE_TO_STRING