move SkImageInfo into its own header

include/core/SkColorTable.h

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkColorTable_DEFINED
 #define SkColorTable_DEFINED
 
-#include "SkAlpha.h"
 #include "SkColor.h"
 #include "SkFlattenable.h"
+#include "SkImageInfo.h"
 
 /** \class SkColorTable
 
     SkColorTable holds an array SkPMColors (premultiplied 32-bit colors) used by
     8-bit bitmaps, where the bitmap bytes are interpreted as indices into the colortable.
 */
 class SkColorTable : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(SkColorTable)
 
@@ skipping 59 matching lines @@
     uint8_t     fAlphaType;
     SkDEBUGCODE(int fColorLockCount;)
     SkDEBUGCODE(int f16BitCacheLockCount;)
 
     void inval16BitCache();
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif