Revert "Revert of add colortable support to imagegenerator (https://codereview.chromium.org/304443003/)"

Fix is to add colortable param to installPixels()

This reverts commit 924205aaf2e0c3c65dda13e0eaccde3e7b2a5c40.

BUG=skia:
R=scroggo@google.com, reed@chromium.org

Author: reed@google.com

Review URL: https://codereview.chromium.org/300263005

git-svn-id: http://skia.googlecode.com/svn/trunk@14958 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/utils/SkCanvasStateUtils.cpp b/src/utils/SkCanvasStateUtils.cpp
index 64f62dd..eaee61b 100644
--- a/src/utils/SkCanvasStateUtils.cpp
+++ b/src/utils/SkCanvasStateUtils.cpp
@@ -291,8 +291,7 @@
 
     bitmap.installPixels(SkImageInfo::Make(layerState.width, layerState.height,
                                            colorType, kPremul_SkAlphaType),
-                         layerState.raster.pixels, layerState.raster.rowBytes,
-                         NULL, NULL);
+                         layerState.raster.pixels, layerState.raster.rowBytes);
 
     SkASSERT(!bitmap.empty());
     SkASSERT(!bitmap.isNull());