Fix a DCHECK ordering problem in ImageOperations.

skia/ext/image_operations.cc

Index: skia/ext/image_operations.cc
diff --git a/skia/ext/image_operations.cc b/skia/ext/image_operations.cc
index 8b5f371d33fb8f64690d0002b9c3a47ce7f26d03..5a3c2f4931506743be9c0c16620ff12f484a0254 100644
--- a/skia/ext/image_operations.cc
+++ b/skia/ext/image_operations.cc
@@ -345,16 +345,16 @@ SkBitmap ImageOperations::Resize(const SkBitmap& source,
   // Time how long this takes to see if it's a problem for users.
   base::TimeTicks resize_start = base::TimeTicks::Now();
 
-  SkIRect dest = { 0, 0, dest_width, dest_height };
-  DCHECK(dest.contains(dest_subset)) <<
-      "The supplied subset does not fall within the destination image.";
-
   // If the size of source or destination is 0, i.e. 0x0, 0xN or Nx0, just
   // return empty.
   if (source.width() < 1 || source.height() < 1 ||
       dest_width < 1 || dest_height < 1)
     return SkBitmap();
 
+  SkIRect dest = {0, 0, dest_width, dest_height};
+  DCHECK(dest.contains(dest_subset))
+      << "The supplied subset does not fall within the destination image.";
+
   method = ResizeMethodToAlgorithmMethod(method);
   // Check that we deal with an "algorithm methods" from this point onward.
   SkASSERT((ImageOperations::RESIZE_FIRST_ALGORITHM_METHOD <= method) &&