remove alphatype from colortable

include/core/SkColorTable.h

Index: include/core/SkColorTable.h
diff --git a/include/core/SkColorTable.h b/include/core/SkColorTable.h
index c73b431921a07727e8710ddba166959af77a5fcd..00ef8548f6dbcb6bb9748c4d7517b54006f7dffa 100644
--- a/include/core/SkColorTable.h
+++ b/include/core/SkColorTable.h
@@ -26,16 +26,9 @@ public:
     /** Makes a deep copy of colors.
      */
     SkColorTable(const SkColorTable& src);
-    SkColorTable(const SkPMColor colors[], int count,
-                 SkAlphaType alphaType = kPremul_SkAlphaType);
+    SkColorTable(const SkPMColor colors[], int count);
     virtual ~SkColorTable();
 
-    SkAlphaType alphaType() const { return (SkAlphaType)fAlphaType; }
-
-    bool isOpaque() const {
-        return SkAlphaTypeIsOpaque(this->alphaType());
-    }
-
     /** Returns the number of colors in the table.
     */
     int count() const { return fCount; }
@@ -44,7 +37,7 @@ public:
         the index is in range (0 <= index < count).
     */
     SkPMColor operator[](int index) const {
-        SkASSERT(fColors != NULL && (unsigned)index < fCount);
+        SkASSERT(fColors != NULL && (unsigned)index < (unsigned)fCount);
         return fColors[index];
     }
 
@@ -81,11 +74,12 @@ public:
 private:
     SkPMColor*  fColors;
     uint16_t*   f16BitCache;
-    uint16_t    fCount;
-    uint8_t     fAlphaType;
+    int         fCount;
     SkDEBUGCODE(int fColorLockCount;)
     SkDEBUGCODE(int f16BitCacheLockCount;)
 
+    void init(const SkPMColor* colors, int count);
+
     void inval16BitCache();
 
     typedef SkRefCnt INHERITED;