Adds non-1 scalar to config names.

BUG=
R=robertphillips@google.com, bungeman@google.com, halcanary@google.com, scroggo@google.com, borenet@google.com

Author: bensong@google.com

Review URL: https://codereview.chromium.org/106823005

git-svn-id: http://skia.googlecode.com/svn/trunk@12811 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/PictureRenderer.h b/tools/PictureRenderer.h
index a22e0b7..e524aa1 100644
--- a/tools/PictureRenderer.h
+++ b/tools/PictureRenderer.h
@@ -234,6 +234,9 @@
         if (!fViewport.isEmpty()) {
             config.appendf("_viewport_%ix%i", fViewport.width(), fViewport.height());
         }
+        if (fScaleFactor != SK_Scalar1) {
+            config.appendf("_scalar_%f", SkScalarToFloat(fScaleFactor));
+        }
         if (kRTree_BBoxHierarchyType == fBBoxHierarchyType) {
             config.append("_rtree");
         } else if (kTileGrid_BBoxHierarchyType == fBBoxHierarchyType) {