hide SkBitmap::setConfig

patch from issue 325733002

TBR=scroggo

Author: reed@chromium.org

Review URL: https://codereview.chromium.org/322963002
diff --git a/tests/ARGBImageEncoderTest.cpp b/tests/ARGBImageEncoderTest.cpp
index 7101165..18f315f 100644
--- a/tests/ARGBImageEncoderTest.cpp
+++ b/tests/ARGBImageEncoderTest.cpp
@@ -12,9 +12,9 @@
 #include "SkStream.h"
 #include "Test.h"
 
-static SkBitmap::Config configs[] = {
-    SkBitmap::kRGB_565_Config,
-    SkBitmap::kARGB_8888_Config,
+static SkColorType gColorTypes[] = {
+    kRGB_565_SkColorType,
+    kN32_SkColorType,
 };
 
 DEF_TEST(ARGBImageEncoder, reporter) {
@@ -31,13 +31,13 @@
     };
 
     SkAutoTDelete<SkImageEncoder> enc(CreateARGBImageEncoder());
-    for (size_t configIndex = 0; configIndex < SK_ARRAY_COUNT(configs); ++configIndex) {
+    for (size_t ctIndex = 0; ctIndex < SK_ARRAY_COUNT(gColorTypes); ++ctIndex) {
         // A bitmap that should generate the above bytes:
         SkBitmap bitmap;
         {
-            bitmap.setConfig(configs[configIndex], kWidth, kHeight);
-            REPORTER_ASSERT(reporter, bitmap.allocPixels());
-            bitmap.setAlphaType(kOpaque_SkAlphaType);
+            bool success = bitmap.allocPixels(SkImageInfo::Make(kWidth, kHeight,
+                                                        gColorTypes[ctIndex], kOpaque_SkAlphaType));
+            REPORTER_ASSERT(reporter, success);
             bitmap.eraseColor(SK_ColorBLUE);
             // Change rows [0,1] from blue to [red,green].
             SkCanvas canvas(bitmap);