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/src/core/SkRasterClip.cpp b/src/core/SkRasterClip.cpp
index 5afe279..8946767 100644
--- a/src/core/SkRasterClip.cpp
+++ b/src/core/SkRasterClip.cpp
@@ -211,7 +211,7 @@
         }
     } else {
         base.setRect(bounds);
-        
+
         if (SkRegion::kReplace_Op == op) {
             return this->setPath(path, base, doAA);
         } else {
@@ -302,7 +302,7 @@
         }
         return this->op(ir, op);
     }
-    
+
     if (fIsBW && doAA) {
         // check that the rect really needs aa, or is it close enought to
         // integer boundaries that we can just treat it as a BW rect?
@@ -369,13 +369,13 @@
 
 void SkRasterClip::convertToAA() {
     AUTO_RASTERCLIP_VALIDATE(*this);
-    
+
     SkASSERT(!fForceConservativeRects);
-    
+
     SkASSERT(fIsBW);
     fAA.setRegion(fBW);
     fIsBW = false;
-    
+
     // since we are being explicitly asked to convert-to-aa, we pass false so we don't "optimize"
     // ourselves back to BW.
     (void)this->updateCacheAndReturnNonEmpty(false);