change SkDraw and all Blitters to use pixmap instead of bitmap
BUG=skia:
Review URL: https://codereview.chromium.org/1148793007
diff --git a/src/utils/SkTextureCompressor.h b/src/utils/SkTextureCompressor.h
index e35bc95..e31a5ab 100644
--- a/src/utils/SkTextureCompressor.h
+++ b/src/utils/SkTextureCompressor.h
@@ -55,10 +55,10 @@
int GetCompressedDataSize(Format fmt, int width, int height);
// Returns an SkData holding a blob of compressed data that corresponds
- // to the bitmap. If the bitmap colorType cannot be compressed using the
+ // to the pixmap. If the pixmap colorType cannot be compressed using the
// associated format, then we return NULL. The caller is responsible for
// calling unref() on the returned data.
- SkData* CompressBitmapToFormat(const SkBitmap& bitmap, Format format);
+ SkData* CompressBitmapToFormat(const SkPixmap&, Format format);
// Compresses the given src data into dst. The src data is assumed to be
// large enough to hold width*height pixels. The dst data is expected to