Remove work from constructors to facilitate debugging.

gm/rrects.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #if SK_SUPPORT_GPU
 #include "GrTest.h"
 #include "effects/GrRRectEffect.h"
 #endif
 #include "SkDevice.h"
 #include "SkRRect.h"
 
 namespace skiagm {
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class RRectGM : public GM {
 public:
     enum Type {
         kBW_Draw_Type,
         kAA_Draw_Type,
         kBW_Clip_Type,
         kAA_Clip_Type,
         kEffect_Type,
     };
-    RRectGM(Type type) : fType(type) {
+    RRectGM(Type type) : fType(type) { }
+
+protected:
+
+    void onOnceBeforeDraw() override {
         this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
         this->setUpRRects();
     }
 
-protected:
     SkString onShortName() override {
         SkString name("rrect");
         switch (fType) {
             case kBW_Draw_Type:
                 name.append("_draw_bw");
                 break;
             case kAA_Draw_Type:
                 name.append("_draw_aa");
                 break;
             case kBW_Clip_Type:
@@ skipping 214 matching lines @@
 
 DEF_GM( return new RRectGM(RRectGM::kAA_Draw_Type); )
 DEF_GM( return new RRectGM(RRectGM::kBW_Draw_Type); )
 DEF_GM( return new RRectGM(RRectGM::kAA_Clip_Type); )
 DEF_GM( return new RRectGM(RRectGM::kBW_Clip_Type); )
 #if SK_SUPPORT_GPU
 DEF_GM( return new RRectGM(RRectGM::kEffect_Type); )
 #endif
 
 }