Distinguish common and unique names for skiaperf.com.

bench/SKPBench.cpp

Index: bench/SKPBench.cpp
diff --git a/bench/SKPBench.cpp b/bench/SKPBench.cpp
index 308cea6dd0ed366c27f722c96c98998f638965e1..9d822d9a2516180982ac746743878cdf13a448ca 100644
--- a/bench/SKPBench.cpp
+++ b/bench/SKPBench.cpp
@@ -10,14 +10,19 @@
 SKPBench::SKPBench(const char* name, const SkPicture* pic, const SkIRect& clip, SkScalar scale)
     : fPic(SkRef(pic))
     , fClip(clip)
-    , fScale(scale) {
-    fName.printf("%s_%.2g", name, scale);
+    , fScale(scale)
+    , fName(name) {
+    fUniqueName.printf("%s_%.2g", name, scale);  // Scale makes this unqiue for skiaperf.com traces.
 }
 
 const char* SKPBench::onGetName() {
     return fName.c_str();
 }
 
+const char* SKPBench::onGetUniqueName() {
+    return fUniqueName.c_str();
+}
+
 bool SKPBench::isSuitableFor(Backend backend) {
     return backend != kNonRendering_Backend;
 }