Index: views/drag_utils_win.cc
===================================================================
--- views/drag_utils_win.cc	(revision 51676)
+++ views/drag_utils_win.cc	(working copy)
@@ -13,6 +13,7 @@
 #include "gfx/canvas_skia.h"
 #include "gfx/gdi_util.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "third_party/skia/include/core/SkUnPreMultiply.h"
 
 namespace drag_utils {
 
@@ -61,9 +62,33 @@
                               const gfx::Point& cursor_offset,
                               OSExchangeData* data_object) {
   gfx::CanvasSkia canvas(sk_bitmap.width(), sk_bitmap.height(),
-                         /*is_opaque=*/false);
-  canvas.DrawBitmapInt(sk_bitmap, 0, 0);
+                         /*is_opaque=*/true);
+  SkBitmap opaque_bitmap;
+  if (sk_bitmap.isOpaque()) {
+    opaque_bitmap = sk_bitmap;
+  } else {
+    // InitializeFromBitmap() doesn't expect an alpha channel and is confused
+    // by premultiplied colors, so unpremultiply the bitmap.
+    SkBitmap tmp_bitmap;
+    tmp_bitmap.setConfig(
+        sk_bitmap.config(), sk_bitmap.width(), sk_bitmap.height());
+    tmp_bitmap.allocPixels();
 
+    SkAutoLockPixels lock(tmp_bitmap);
+    const int kBytesPerPixel = 4;
+    for (int y = 0; y < tmp_bitmap.height(); y++) {
+      for (int x = 0; x < tmp_bitmap.width(); x++) {
+        uint32 src_pixel = *sk_bitmap.getAddr32(x, y);
+        uint32* dst_pixel = tmp_bitmap.getAddr32(x, y);
+        SkColor unmultiplied = SkUnPreMultiply::PMColorToColor(src_pixel);
+        *dst_pixel = unmultiplied;
+      }
+    }
+    tmp_bitmap.setIsOpaque(true);
+    opaque_bitmap = tmp_bitmap;
+  }
+  canvas.DrawBitmapInt(opaque_bitmap, 0, 0);
+
   DCHECK(data_object && !size.IsEmpty());
   // SetDragImageOnDataObject(HBITMAP) takes ownership of the bitmap.
   HBITMAP bitmap = CreateBitmapFromCanvas(canvas, size.width(), size.height());