Change SkDecodingImageGenerator API

src/core/SkBitmap.cpp

Index: src/core/SkBitmap.cpp
diff --git a/src/core/SkBitmap.cpp b/src/core/SkBitmap.cpp
index 7a7f690b2a5159ac1c09ff744adf62a36ba6df6e..8515ebd654b32ca7bda2ab14ec685cc896c9fd2f 100644
--- a/src/core/SkBitmap.cpp
+++ b/src/core/SkBitmap.cpp
@@ -222,6 +222,16 @@ size_t SkBitmap::ComputeSize(Config c, int width, int height) {
     return isPos32Bits(size) ? size.get32() : 0;
 }
 
+Sk64 SkBitmap::ComputeSize64(const SkImageInfo& info) {
+    return SkBitmap::ComputeSize64(SkImageInfoToBitmapConfig(info),
+                                   info.fWidth, info.fHeight);
+}
+
+size_t SkBitmap::ComputeSize(const SkImageInfo& info) {
+    return SkBitmap::ComputeSize(SkImageInfoToBitmapConfig(info),
+                                 info.fWidth, info.fHeight);
+}
+
 Sk64 SkBitmap::ComputeSafeSize64(Config config,
                                  uint32_t width,
                                  uint32_t height,
@@ -536,7 +546,7 @@ bool SkBitmap::HeapAllocator::allocPixelRef(SkBitmap* dst,
 //        SkDebugf("unsupported config for info %d\n", dst->config());
         return false;
     }
-    
+
     SkPixelRef* pr = SkMallocPixelRef::NewAllocate(info, dst->rowBytes(),
                                                    ctable);
     if (NULL == pr) {