cc: Clean up naming of paint-related identifiers

cc/trees/layer_tree_host_pixeltest_scrollbars.cc

Index: cc/trees/layer_tree_host_pixeltest_scrollbars.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_scrollbars.cc b/cc/trees/layer_tree_host_pixeltest_scrollbars.cc
index 69fec991767230340ab56758f8ad62dfa5e4c4ba..683a5d491a5b27ba3e99e03c0c522f9e15eca615 100644
--- a/cc/trees/layer_tree_host_pixeltest_scrollbars.cc
+++ b/cc/trees/layer_tree_host_pixeltest_scrollbars.cc
@@ -53,17 +53,17 @@ class PaintedScrollbar : public Scrollbar {
   void PaintPart(PaintCanvas* canvas,
                  ScrollbarPart part,
                  const gfx::Rect& content_rect) override {
-    PaintFlags paint;
-    paint.setStyle(PaintFlags::kStroke_Style);
-    paint.setStrokeWidth(SkIntToScalar(paint_scale_));
-    paint.setColor(color_);
+    PaintFlags flags;
+    flags.setStyle(PaintFlags::kStroke_Style);
+    flags.setStrokeWidth(SkIntToScalar(paint_scale_));
+    flags.setColor(color_);
 
     gfx::Rect inset_rect = content_rect;
     while (!inset_rect.IsEmpty()) {
       int big = paint_scale_ + 2;
       int small = paint_scale_;
       inset_rect.Inset(big, big, small, small);
-      canvas->drawRect(RectToSkRect(inset_rect), paint);
+      canvas->drawRect(RectToSkRect(inset_rect), flags);
       inset_rect.Inset(big, big, small, small);
     }
   }