replace setConfig+allocPixels with single call

tests/SurfaceTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkData.h"
 #include "SkImageEncoder.h"
@@ skipping 160 matching lines @@
     const SkColor testColor = 0x01020304;
     const SkPaint testPaint;
     const SkPoint testPoints[3] = {
         {SkIntToScalar(0), SkIntToScalar(0)},
         {SkIntToScalar(2), SkIntToScalar(1)},
         {SkIntToScalar(0), SkIntToScalar(2)}
     };
     const size_t testPointCount = 3;
 
     SkBitmap testBitmap;
-    testBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
-    testBitmap.allocPixels();
+    testBitmap.allocN32Pixels(10, 10);
     testBitmap.eraseColor(0);
 
     SkRRect testRRect;
     testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
 
     SkString testText("Hello World");
     const SkPoint testPoints2[] = {
         { SkIntToScalar(0), SkIntToScalar(1) },
         { SkIntToScalar(1), SkIntToScalar(1) },
         { SkIntToScalar(2), SkIntToScalar(1) },
@@ skipping 153 matching lines @@
             Test_crbug263329(reporter, context);
             TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context);
             TestSurfaceWritableAfterSnapshotRelease(reporter, kGpu_SurfaceType, context);
             TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode);
             TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kRetain_ContentChangeMode);
             TestGetTexture(reporter, kGpu_SurfaceType, context);
         }
     }
 #endif
 }