Revert of Rename kPMColor_SkColorType to kN32_SkColorType. (https://codereview.chromium.org/227433009/)

Reason for revert:
Chrome's side of define changes not easy to figure out quickly. Reverting this for DEPS roll for now.

Original issue's description:
> Rename kPMColor_SkColorType to kN32_SkColorType.
>
> The new name better represents what this flag means.
>
> BUG=skia:2384
>
> Committed: http://code.google.com/p/skia/source/detail?r=14117

R=reed@google.com, scroggo@google.com
TBR=reed@google.com, scroggo@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:2384

Author: bensong@google.com

Review URL: https://codereview.chromium.org/234833003

git-svn-id: http://skia.googlecode.com/svn/trunk@14149 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/QT/SkImageWidget.cpp b/debugger/QT/SkImageWidget.cpp
index 03c7e7e..9e26300 100644
--- a/debugger/QT/SkImageWidget.cpp
+++ b/debugger/QT/SkImageWidget.cpp
@@ -19,7 +19,7 @@
     SkImageInfo info;
     info.fWidth = kImageWidgetWidth;
     info.fHeight = kImageWidgetHeight;
-    info.fColorType = kN32_SkColorType;
+    info.fColorType = kPMColor_SkColorType;
     info.fAlphaType = kPremul_SkAlphaType;
 
     fSurface = SkSurface::NewRasterDirect(info, fPixels, 4 * kImageWidgetWidth);