Revert of change SkDraw and all Blitters to use pixmap instead of bitmap

src/core/SkBlitBWMaskTemplate.h

Index: src/core/SkBlitBWMaskTemplate.h
diff --git a/src/core/SkBlitBWMaskTemplate.h b/src/core/SkBlitBWMaskTemplate.h
index accf498abaa3d2f6afe8953c5b584a8bece70794..798e44aaa49e0423fa22a24a821f7a31377153b8 100644
--- a/src/core/SkBlitBWMaskTemplate.h
+++ b/src/core/SkBlitBWMaskTemplate.h
@@ -19,19 +19,19 @@
     SK_BLITBWMASK_NAME          name of function(const SkBitmap& bitmap, const SkMask& mask, const SkIRect& clip, SK_BLITBWMASK_ARGS)
     SK_BLITBWMASK_ARGS          list of additional arguments to SK_BLITBWMASK_NAME, beginning with a comma
     SK_BLITBWMASK_BLIT8         name of function(U8CPU byteMask, SK_BLITBWMASK_DEVTYPE* dst, int x, int y)
-    SK_BLITBWMASK_GETADDR       either writable_addr[8,16,32]
+    SK_BLITBWMASK_GETADDR       either getAddr32 or getAddr16 or getAddr8
     SK_BLITBWMASK_DEVTYPE       either U32 or U16 or U8
 */
 
-static void SK_BLITBWMASK_NAME(const SkPixmap& dst, const SkMask& srcMask,
-                               const SkIRect& clip SK_BLITBWMASK_ARGS) {
+static void SK_BLITBWMASK_NAME(const SkBitmap& bitmap, const SkMask& srcMask, const SkIRect& clip SK_BLITBWMASK_ARGS)
+{
     SkASSERT(clip.fRight <= srcMask.fBounds.fRight);
 
     int cx = clip.fLeft;
     int cy = clip.fTop;
     int maskLeft = srcMask.fBounds.fLeft;
     unsigned mask_rowBytes = srcMask.fRowBytes;
-    size_t bitmap_rowBytes = dst.rowBytes();
+    size_t bitmap_rowBytes = bitmap.rowBytes();
     unsigned height = clip.height();
 
     SkASSERT(mask_rowBytes != 0);
@@ -39,7 +39,7 @@
     SkASSERT(height != 0);
 
     const uint8_t* bits = srcMask.getAddr1(cx, cy);
-    SK_BLITBWMASK_DEVTYPE* device = dst.SK_BLITBWMASK_GETADDR(cx, cy);
+    SK_BLITBWMASK_DEVTYPE* device = bitmap.SK_BLITBWMASK_GETADDR(cx, cy);
 
     if (cx == maskLeft && clip.fRight == srcMask.fBounds.fRight)
     {