Revert of SkImage_Codec is Lazy

src/image/SkImage_Raster.cpp

Index: src/image/SkImage_Raster.cpp
diff --git a/src/image/SkImage_Raster.cpp b/src/image/SkImage_Raster.cpp
index 4841dae25c2a1c64b077fe4361cc29878f46698d..e4768af0ac17865da8e8bbd22881e57a6660439e 100644
--- a/src/image/SkImage_Raster.cpp
+++ b/src/image/SkImage_Raster.cpp
@@ -10,7 +10,6 @@
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkData.h"
-#include "SkDecodingImageGenerator.h"
 #include "SkMallocPixelRef.h"
 
 class SkImage_Raster : public SkImage_Base {
@@ -70,10 +69,6 @@
                                   SkShader::TileMode,
                                   const SkMatrix* localMatrix) const SK_OVERRIDE;
 
-    SkImage_Raster(const SkBitmap& bitmap)
-        :INHERITED(bitmap.width(), bitmap.height())
-        , fBitmap(bitmap) { }
-
 private:
     SkImage_Raster() : INHERITED(0, 0) {}
 
@@ -211,17 +206,3 @@
 SkPixelRef* SkBitmapImageGetPixelRef(SkImage* image) {
     return ((SkImage_Raster*)image)->getPixelRef();
 }
-
-SkImage* SkImage::NewEncodedData(SkData* data) {
-    if (NULL == data) {
-        return NULL;
-    }
-    SkBitmap bitmap;
-    if (!SkInstallDiscardablePixelRef(
-                SkDecodingImageGenerator::Create(
-                        data, SkDecodingImageGenerator::Options()),
-                &bitmap)) {
-        return NULL;
-    }
-    return SkNEW_ARGS(SkImage_Raster, (bitmap));
-}