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/image/SkImage_Raster.cpp b/src/image/SkImage_Raster.cpp
index 7a8091c..3be7d84 100644
--- a/src/image/SkImage_Raster.cpp
+++ b/src/image/SkImage_Raster.cpp
@@ -94,8 +94,9 @@
 {
     data->ref();
     void* addr = const_cast<void*>(data->data());
+    SkColorTable* ctable = NULL;
 
-    fBitmap.installPixels(info, addr, rowBytes, release_data, data);
+    fBitmap.installPixels(info, addr, rowBytes, ctable, release_data, data);
     fBitmap.setImmutable();
     fBitmap.lockPixels();
 }