Revert of Rename kPMColor_SkColorType to kN32_SkColorType.

src/effects/SkLightingImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLightingImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 925 matching lines @@
                                                  const Context& ctx,
                                                  SkBitmap* dst,
                                                  SkIPoint* offset) const {
     SkImageFilter* input = getInput(0);
     SkBitmap src = source;
     SkIPoint srcOffset = SkIPoint::Make(0, 0);
     if (input && !input->filterImage(proxy, source, ctx, &src, &srcOffset)) {
         return false;
     }
 
-    if (src.colorType() != kN32_SkColorType) {
+    if (src.colorType() != kPMColor_SkColorType) {
         return false;
     }
     SkIRect bounds;
     if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) {
         return false;
     }
 
     if (bounds.width() < 2 || bounds.height() < 2) {
         return false;
     }
@@ skipping 70 matching lines @@
                                                   const Context& ctx,
                                                   SkBitmap* dst,
                                                   SkIPoint* offset) const {
     SkImageFilter* input = getInput(0);
     SkBitmap src = source;
     SkIPoint srcOffset = SkIPoint::Make(0, 0);
     if (input && !input->filterImage(proxy, source, ctx, &src, &srcOffset)) {
         return false;
     }
 
-    if (src.colorType() != kN32_SkColorType) {
+    if (src.colorType() != kPMColor_SkColorType) {
         return false;
     }
 
     SkIRect bounds;
     if (!this->applyCropRect(ctx, proxy, src, &srcOffset, &bounds, &src)) {
         return false;
     }
 
     if (bounds.width() < 2 || bounds.height() < 2) {
         return false;
@@ skipping 567 matching lines @@
 
     builder->fsCodeAppendf("%s(%s)", fLightColorFunc.c_str(), surfaceToLight);
 }
 
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkDiffuseLightingImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSpecularLightingImageFilter)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END