cc: Avoid pointless gfx::Point/Size contructors when making Rects.

cc/layers/layer.cc

Index: cc/layers/layer.cc
diff --git a/cc/layers/layer.cc b/cc/layers/layer.cc
index 105b4e48fa24eee5bcd0ab50879734d28f7ca163..51042a4e7d4e3c0a4208e67b309a400e3594c44f 100644
--- a/cc/layers/layer.cc
+++ b/cc/layers/layer.cc
@@ -126,7 +126,7 @@ gfx::Rect Layer::LayerRectToContentRect(const gfx::RectF& layer_rect) const {
       gfx::ScaleRect(layer_rect, contents_scale_x(), contents_scale_y());
   // Intersect with content rect to avoid the extra pixel because for some
   // values x and y, ceil((x / y) * y) may be x + 1.
-  content_rect.Intersect(gfx::Rect(gfx::Point(), content_bounds()));
+  content_rect.Intersect(gfx::Rect(content_bounds()));
   return gfx::ToEnclosingRect(content_rect);
 }