detach -> release

bench/nanobench.cpp

Index: bench/nanobench.cpp
diff --git a/bench/nanobench.cpp b/bench/nanobench.cpp
index dd792dd39a01299e0c62b543771033a045c647fc..88dd74f92d22ab71cdd56b41c5703cf960c8e6f8 100644
--- a/bench/nanobench.cpp
+++ b/bench/nanobench.cpp
@@ -647,7 +647,7 @@ public:
             }
         } while(SkCommandLineFlags::ShouldSkip(FLAGS_sourceType, fSourceType) ||
                 SkCommandLineFlags::ShouldSkip(FLAGS_benchType,  fBenchType));
-        return bench.detach();
+        return bench.release();
     }
 
     Benchmark* rawNext() {
@@ -665,7 +665,7 @@ public:
             if (gm->runAsBench()) {
                 fSourceType = "gm";
                 fBenchType  = "micro";
-                return new GMBench(gm.detach());
+                return new GMBench(gm.release());
             }
         }