Style bikeshed - remove extraneous whitespace

GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002

Review URL: https://codereview.chromium.org/1842753002
diff --git a/gm/drawatlascolor.cpp b/gm/drawatlascolor.cpp
index e8fd236..0e85055 100644
--- a/gm/drawatlascolor.cpp
+++ b/gm/drawatlascolor.cpp
@@ -29,22 +29,22 @@
     paint.setXfermode(SkXfermode::Create(SkXfermode::kSrc_Mode));
 
     paint.setColor(SK_ColorWHITE);
-    SkRect r = SkRect::MakeXYWH(0, 0, 
+    SkRect r = SkRect::MakeXYWH(0, 0,
                                 SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize));
     canvas->drawRect(r, paint);
 
     paint.setColor(SK_ColorRED);
-    r = SkRect::MakeXYWH(SkIntToScalar(kBlockSize), 0, 
+    r = SkRect::MakeXYWH(SkIntToScalar(kBlockSize), 0,
                          SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize));
     canvas->drawRect(r, paint);
 
     paint.setColor(SK_ColorGREEN);
-    r = SkRect::MakeXYWH(0, SkIntToScalar(kBlockSize), 
+    r = SkRect::MakeXYWH(0, SkIntToScalar(kBlockSize),
                          SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize));
     canvas->drawRect(r, paint);
 
     paint.setColor(SK_ColorTRANSPARENT);
-    r = SkRect::MakeXYWH(SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize), 
+    r = SkRect::MakeXYWH(SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize),
                          SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize));
     canvas->drawRect(r, paint);
 
@@ -58,17 +58,17 @@
     DrawAtlasColorsGM() {
         this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
     }
-    
+
 protected:
     SkString onShortName() override {
         return SkString("draw-atlas-colors");
     }
-    
+
     SkISize onISize() override {
         return SkISize::Make(kNumXferModes * (kAtlasSize + kPad) + kPad,
                              2 * kNumColors * (kAtlasSize + kPad) + kTextPad + kPad);
     }
-    
+
     void onDraw(SkCanvas* canvas) override {
         const SkRect target = SkRect::MakeWH(SkIntToScalar(kAtlasSize), SkIntToScalar(kAtlasSize));
 
@@ -147,7 +147,7 @@
         }
 
         for (int i = 0; i < numModes; ++i) {
-            canvas->save();            
+            canvas->save();
             canvas->translate(SkIntToScalar(i*(target.height()+kPad)),
                               SkIntToScalar(kTextPad+kPad));
             // w/o a paint
@@ -157,10 +157,10 @@
             // w a paint
             canvas->drawAtlas(fAtlas.get(), xforms, rects, quadColors, numColors,
                               gModes[i].fMode, nullptr, &paint);
-            canvas->restore();        
+            canvas->restore();
         }
     }
-    
+
 private:
     static const int kNumXferModes = 29;
     static const int kNumColors = 4;
@@ -174,4 +174,3 @@
     typedef GM INHERITED;
 };
 DEF_GM( return new DrawAtlasColorsGM; )
-