Cleaning up trailing spaces and typos.

src/image/SkImage_Gpu.cpp

Index: src/image/SkImage_Gpu.cpp
diff --git a/src/image/SkImage_Gpu.cpp b/src/image/SkImage_Gpu.cpp
index 1d25635e870f3843fd675a2979cee4959dc91dab..a758efed5c884e55d8d96bcab46a88264b3964d4 100644
--- a/src/image/SkImage_Gpu.cpp
+++ b/src/image/SkImage_Gpu.cpp
@@ -292,7 +292,7 @@ GrTexture* GrDeepCopyTexture(GrTexture* src, bool budgeted) {
     if (!dst) {
         return nullptr;
     }
-    
+
     const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
     const SkIPoint dstP = SkIPoint::Make(0, 0);
     ctx->copySurface(dst, src, srcR, dstP, GrContext::kFlushWrites_PixelOp);