Fix SkData leaks at GrResourceKey::setCustomData() call sites.

src/gpu/GrTessellatingPathRenderer.cpp

Index: src/gpu/GrTessellatingPathRenderer.cpp
diff --git a/src/gpu/GrTessellatingPathRenderer.cpp b/src/gpu/GrTessellatingPathRenderer.cpp
index 5d83dd7dde9fb7c62af3864fead67c38d08dcaed..62b8f0ee488308787253fca0998051dfaefe703a 100644
--- a/src/gpu/GrTessellatingPathRenderer.cpp
+++ b/src/gpu/GrTessellatingPathRenderer.cpp
@@ -1489,7 +1489,8 @@ public:
             TessInfo info;
             info.fTolerance = isLinear ? 0 : tol;
             info.fCount = actualCount;
-            key->setCustomData(SkData::NewWithCopy(&info, sizeof(info)));
+            SkAutoTUnref<SkData> data(SkData::NewWithCopy(&info, sizeof(info)));
+            key->setCustomData(data.get());
             resourceProvider->assignUniqueKeyToResource(*key, vertexBuffer.get());
             SkPathPriv::AddGenIDChangeListener(fPath, SkNEW(PathInvalidator(*key)));
         }