replace setConfig+allocPixels with alloc-or-install-pixels

BUG=skia:
R=scroggo@google.com, halcanary@google.com, reed@google.com

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/164203003

git-svn-id: http://skia.googlecode.com/svn/trunk@13442 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/ClipCubicTest.cpp b/tests/ClipCubicTest.cpp
index db6ae80..31b38f2 100644
--- a/tests/ClipCubicTest.cpp
+++ b/tests/ClipCubicTest.cpp
@@ -16,8 +16,7 @@
 // with a device/clip that is larger.
 static void test_giantClip() {
     SkBitmap bm;
-    bm.setConfig(SkBitmap::kARGB_8888_Config, 64919, 1);
-    bm.allocPixels();
+    bm.allocN32Pixels(64919, 1);
     SkCanvas canvas(bm);
     canvas.clear(SK_ColorTRANSPARENT);