Rename WorseCaseSize to WorstCasSize

src/gpu/GrSurface.cpp

Index: src/gpu/GrSurface.cpp
diff --git a/src/gpu/GrSurface.cpp b/src/gpu/GrSurface.cpp
index 2da1f257247b81cc8adef55968aec37ea4e48ab1..3c9368e67f1699f9822b4ec2eb1c065c1f063e54 100644
--- a/src/gpu/GrSurface.cpp
+++ b/src/gpu/GrSurface.cpp
@@ -14,7 +14,7 @@
 #include "SkImageEncoder.h"
 #include <stdio.h>
 
-size_t GrSurface::WorseCaseSize(const GrSurfaceDesc& desc) {
+size_t GrSurface::WorstCaseSize(const GrSurfaceDesc& desc) {
     size_t size;
 
     bool isRenderTarget = SkToBool(desc.fFlags & kRenderTarget_GrSurfaceFlag);