remove references to DEPRECATED SkBitmap::kA1_Config. No functional change expected.

chrome/browser/ui/app_list/fast_show_pickler.cc

Index: chrome/browser/ui/app_list/fast_show_pickler.cc
diff --git a/chrome/browser/ui/app_list/fast_show_pickler.cc b/chrome/browser/ui/app_list/fast_show_pickler.cc
index 0119b03eab5eb9339592f9642b308d26f7f05b50..6796e327f84e0e42e4d85a1ea733fb18647d7d1a 100644
--- a/chrome/browser/ui/app_list/fast_show_pickler.cc
+++ b/chrome/browser/ui/app_list/fast_show_pickler.cc
@@ -18,7 +18,6 @@ using app_list::AppListModel;
 // should be incremented.
 enum ImageFormat {
   NONE,
-  A1,
   A8,
   INDEX_8,
   RGB_565,
@@ -31,9 +30,6 @@ bool FormatToConfig(ImageFormat format, SkBitmap::Config* out) {
     case NONE:
       *out = SkBitmap::kNo_Config;
       break;
-    case A1:
-      *out = SkBitmap::kA1_Config;
-      break;
     case A8:
       *out = SkBitmap::kA8_Config;
       break;
@@ -59,9 +55,6 @@ bool ConfigToFormat(SkBitmap::Config config, ImageFormat* out) {
     case SkBitmap::kNo_Config:
       *out = NONE;
       break;
-    case SkBitmap::kA1_Config:
-      *out = A1;
-      break;
     case SkBitmap::kA8_Config:
       *out = A8;
       break;
@@ -198,7 +191,7 @@ void CopyOverItem(AppListItemModel* src_item, AppListItemModel* dest_item) {
 
 // The version of the pickle format defined here. This needs to be incremented
 // whenever this format is changed so new clients can invalidate old versions.
-const int FastShowPickler::kVersion = 1;
+const int FastShowPickler::kVersion = 2;
 
 scoped_ptr<Pickle> FastShowPickler::PickleAppListModelForFastShow(
     AppListModel* model) {