A DCHECK was validating a little to widely, moved it into the if that needed ...

chrome/renderer/render_widget.cc

Index: chrome/renderer/render_widget.cc
===================================================================
--- chrome/renderer/render_widget.cc	(revision 10255)
+++ chrome/renderer/render_widget.cc	(working copy)
@@ -549,8 +549,11 @@
 
 void RenderWidget::DidScrollRect(WebWidget* webwidget, int dx, int dy,
                                  const gfx::Rect& clip_rect) {
-  // We only support scrolling along one axis at a time.
-  DCHECK((dx && !dy) || (!dx && dy));
+  if (dx != 0 && dy != 0) {
+    // We only support scrolling along one axis at a time.

[darin (slow to review), 2009/02/26 22:15:44]

this works by causing us to fall through to the slow path for scrolling, which
is fine.

+    DidScrollRect(webwidget, 0, dy, clip_rect);
+    dy = 0;
+  }
 
   bool intersects_with_painting = paint_rect_.Intersects(clip_rect);