cc: Rename visible_content_rect and content stuff on quads.

cc/quads/draw_quad.h

Index: cc/quads/draw_quad.h
diff --git a/cc/quads/draw_quad.h b/cc/quads/draw_quad.h
index d5d431e16f3561bca01a8cdf632a605938f6b3dd..df3bc1213f52b28bc85f8462f7fcc1ffc4bcff90 100644
--- a/cc/quads/draw_quad.h
+++ b/cc/quads/draw_quad.h
@@ -96,13 +96,13 @@ class CC_EXPORT DrawQuad {
   // Is the right edge of this tile aligned with the originating layer's
   // right edge?
   bool IsRightEdge() const {
-    return rect.right() == shared_quad_state->content_bounds.width();
+    return rect.right() == shared_quad_state->quad_layer_bounds.width();
   }
 
   // Is the bottom edge of this tile aligned with the originating layer's
   // bottom edge?
   bool IsBottomEdge() const {
-    return rect.bottom() == shared_quad_state->content_bounds.height();
+    return rect.bottom() == shared_quad_state->quad_layer_bounds.height();
   }
 
   // Is any edge of this tile aligned with the originating layer's