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

src/utils/SkTextureCompressor.cpp

Index: src/utils/SkTextureCompressor.cpp
diff --git a/src/utils/SkTextureCompressor.cpp b/src/utils/SkTextureCompressor.cpp
index 9d29d51d6084e02765ad0e13cdbc13f19cf2c6ee..12621e118f9275f394500008d6a29e2ace4ac369 100644
--- a/src/utils/SkTextureCompressor.cpp
+++ b/src/utils/SkTextureCompressor.cpp
@@ -173,17 +173,19 @@
     return false;
 }
 
-SkData* CompressBitmapToFormat(const SkPixmap& pixmap, Format format) {
-    int compressedDataSize = GetCompressedDataSize(format, pixmap.width(), pixmap.height());
+SkData* CompressBitmapToFormat(const SkBitmap &bitmap, Format format) {
+    SkAutoLockPixels alp(bitmap);
+
+    int compressedDataSize = GetCompressedDataSize(format, bitmap.width(), bitmap.height());
     if (compressedDataSize < 0) {
         return NULL;
     }
 
-    const uint8_t* src = reinterpret_cast<const uint8_t*>(pixmap.addr());
+    const uint8_t* src = reinterpret_cast<const uint8_t*>(bitmap.getPixels());
     SkData* dst = SkData::NewUninitialized(compressedDataSize);
 
-    if (!CompressBufferToFormat((uint8_t*)dst->writable_data(), src, pixmap.colorType(),
-                                pixmap.width(), pixmap.height(), pixmap.rowBytes(), format)) {
+    if (!CompressBufferToFormat((uint8_t*)dst->writable_data(), src, bitmap.colorType(),
+                                bitmap.width(), bitmap.height(), bitmap.rowBytes(), format)) {
         dst->unref();
         dst = NULL;
     }