replace setConfig+allocPixels with single call

tests/PathUtilsTest.cpp

Index: tests/PathUtilsTest.cpp
diff --git a/tests/PathUtilsTest.cpp b/tests/PathUtilsTest.cpp
index 872af0b3632234e4ba48f6a38e996388b2b1086c..4dfeda467ce7a01b7e6d723cf67cac0b19bbff55 100644
--- a/tests/PathUtilsTest.cpp
+++ b/tests/PathUtilsTest.cpp
@@ -60,8 +60,7 @@ static void print_bmp( SkBitmap* bmp, int w, int h){
 static void binary_to_skbitmap(const char* bin_bmp, SkBitmap* sk_bmp,
                          int w, int h, int rowBytes){
     //init the SkBitmap
-    sk_bmp->setConfig(SkBitmap::kARGB_8888_Config, w, h);
-    sk_bmp->allocPixels();
+    sk_bmp->allocN32Pixels(w, h);
 
     for (int y = 0; y < h; ++y) { // for every row
 
@@ -98,8 +97,7 @@ static void test_path_eq(skiatest::Reporter* reporter, const SkPath* path,
 
     // make bmp
     SkBitmap bmp;
-    bmp.setConfig(SkBitmap::kARGB_8888_Config, w, h);
-    bmp.allocPixels();
+    bmp.allocN32Pixels(w, h);
     SkCanvas canvas(bmp);
     canvas.clear(SK_ColorWHITE);
     canvas.drawPath(*path, bmpPaint);