Adding a custom data field to GrGpuResource

src/gpu/GrGpuResource.cpp

Index: src/gpu/GrGpuResource.cpp
diff --git a/src/gpu/GrGpuResource.cpp b/src/gpu/GrGpuResource.cpp
index cc24335184c2b98662e5f9133c4459d179ac3a76..2a5718aefad38a14bd012a16082674ef5e600faa 100644
--- a/src/gpu/GrGpuResource.cpp
+++ b/src/gpu/GrGpuResource.cpp
@@ -56,6 +56,12 @@ void GrGpuResource::abandon() {
     fGpuMemorySize = 0;
 }
 
+const SkData* GrGpuResource::setCustomData(const SkData* data) {
+    SkSafeRef(data);
+    fData.reset(data);
+    return data;
+}
+
 const GrContext* GrGpuResource::getContext() const {
     if (fGpu) {
         return fGpu->getContext();