Revert of Rename kPMColor_SkColorType to kN32_SkColorType.

tests/SerializationTest.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 "SkBitmapDevice.h"
 #include "SkBitmapSource.h"
 #include "SkCanvas.h"
@@ skipping 215 matching lines @@
         canvas.clear(0x00000000);
         SkPaint paint;
         paint.setImageFilter(deserializedFilter);
         canvas.clipRect(SkRect::MakeXYWH(0, 0, SkIntToScalar(24), SkIntToScalar(24)));
         canvas.drawBitmap(bitmap, 0, 0, &paint);
     }
 }
 
 static bool setup_bitmap_for_canvas(SkBitmap* bitmap) {
     SkImageInfo info = SkImageInfo::Make(
-        kBitmapSize, kBitmapSize, kN32_SkColorType, kPremul_SkAlphaType);
+        kBitmapSize, kBitmapSize, kPMColor_SkColorType, kPremul_SkAlphaType);
     return bitmap->allocPixels(info);
 }
 
 static bool make_checkerboard_bitmap(SkBitmap& bitmap) {
     bool success = setup_bitmap_for_canvas(&bitmap);
 
     SkCanvas canvas(bitmap);
     canvas.clear(0x00000000);
     SkPaint darkPaint;
     darkPaint.setColor(0xFF804020);
@@ skipping 135 matching lines @@
         SkAutoTMalloc<unsigned char> data(size);
         writer.writeToMemory(static_cast<void*>(data.get()));
 
         // Deserialize picture
         SkValidatingReadBuffer reader(static_cast<void*>(data.get()), size);
         SkAutoTUnref<SkPicture> readPict(
             SkPicture::CreateFromBuffer(reader));
         REPORTER_ASSERT(reporter, NULL != readPict.get());
     }
 }