gm: simplify several onName

Change-Id: I9c470c2cf5d546626c279ce65626f767292a94e6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/228354
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/gm/blurroundrect.cpp b/gm/blurroundrect.cpp
index 8c99b8a..976b5ae 100644
--- a/gm/blurroundrect.cpp
+++ b/gm/blurroundrect.cpp
@@ -33,18 +33,14 @@
 // This GM mimics a blurred RR seen in the wild.
 class BlurRoundRectGM : public skiagm::GM {
 public:
-    BlurRoundRectGM(int width, int height)
-        : fName("blurroundrect"), fWidth(width), fHeight(height) {
-        fName.appendf("-WH-%ix%i-unevenCorners", width,  height);
-    }
+    BlurRoundRectGM(int w, int h) : fWidth(w), fHeight(h) {}
 
+private:
     SkString onShortName() override {
-        return fName;
+        return SkStringPrintf("blurroundrect-WH-%ix%i-unevenCorners", fWidth, fHeight);
     }
 
-    SkISize onISize() override {
-        return SkISize::Make(fWidth, fHeight);
-    }
+    SkISize onISize() override { return {fWidth, fHeight}; }
 
     void onOnceBeforeDraw() override {
         SkVector radii[4];
@@ -86,12 +82,8 @@
         canvas->drawRRect(fRRect, paint);
     }
 
-private:
-    SkString        fName;
-    SkRRect         fRRect;
-    int             fWidth, fHeight;
-
-    typedef skiagm::GM INHERITED;
+    SkRRect     fRRect;
+    int         fWidth, fHeight;
 };
 // Rounded rect with two opposite corners with large radii, the other two
 // small.
@@ -125,20 +117,9 @@
 
 // Simpler blurred RR test cases where all the radii are the same.
 class SimpleBlurRoundRectGM : public skiagm::GM {
-public:
-    SimpleBlurRoundRectGM()
-        : fName("simpleblurroundrect") {
-    }
+    SkString onShortName() override { return SkString("simpleblurroundrect"); }
 
-protected:
-
-    SkString onShortName() override {
-        return fName;
-    }
-
-    SkISize onISize() override {
-        return SkISize::Make(1000, 500);
-    }
+    SkISize onISize() override { return {1000, 500}; }
 
     void onDraw(SkCanvas* canvas) override {
         canvas->scale(1.5f, 1.5f);
@@ -171,10 +152,6 @@
             }
         }
     }
-private:
-    const SkString  fName;
-
-    typedef         skiagm::GM INHERITED;
 };
 
 // Create one with dimensions/rounded corners based on the skp