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

tests/DeviceLooperTest.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 "SkDeviceLooper.h"
 #include "SkRasterClip.h"
 #include "Test.h"
 
 static void make_bm(SkBitmap* bm, int w, int h) {
-    bm->setConfig(SkBitmap::kA8_Config, w, h);
-    bm->allocPixels();
+    bm->allocPixels(SkImageInfo::Make(w, h, kAlpha_8_SkColorType,
+                                      kPremul_SkAlphaType));
 }
 
 static bool equal(const SkRasterClip& a, const SkRasterClip& b) {
     if (a.isBW()) {
         return b.isBW() && a.bwRgn() == b.bwRgn();
     } else {
         return a.isAA() && a.aaRgn() == b.aaRgn();
     }
 }
 
@@ skipping 105 matching lines @@
                 REPORTER_ASSERT(reporter, !looper.getRC().isEmpty());
             }
         }
     }
 }
 
 DEF_TEST(DeviceLooper, reporter) {
     test_simple(reporter);
     test_complex(reporter);
 }