Fix SkScalar conversion warning.

src/utils/debugger/SkDrawCommand.cpp

Index: src/utils/debugger/SkDrawCommand.cpp
diff --git a/src/utils/debugger/SkDrawCommand.cpp b/src/utils/debugger/SkDrawCommand.cpp
index 0cde3b537c07b2d0bdd29a98dded9a8ba9358952..db041cdce6c234123a22befac7dfb75ab36f3339 100644
--- a/src/utils/debugger/SkDrawCommand.cpp
+++ b/src/utils/debugger/SkDrawCommand.cpp
@@ -498,7 +498,8 @@ bool SkDrawPictureCommand::render(SkCanvas* canvas) const {
     canvas->clear(0xFFFFFFFF);
     canvas->save();
 
-    SkRect bounds = SkRect::MakeWH(fPicture.width(), fPicture.height());
+    SkRect bounds = SkRect::MakeWH(SkIntToScalar(fPicture.width()),
+                                   SkIntToScalar(fPicture.height()));
     xlate_and_scale_to_bounds(canvas, bounds);
 
     canvas->drawPicture(const_cast<SkPicture&>(fPicture));