cc: Clean up naming of paint-related identifiers

cc/trees/layer_tree_host_pixeltest_tiles.cc

Index: cc/trees/layer_tree_host_pixeltest_tiles.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_tiles.cc b/cc/trees/layer_tree_host_pixeltest_tiles.cc
index 0a279c0e7a009f2c1ff3f13a60a7cdf5a1dc9cd6..6eaa10aa9584a52e9a5e13458f47df043b54814a 100644
--- a/cc/trees/layer_tree_host_pixeltest_tiles.cc
+++ b/cc/trees/layer_tree_host_pixeltest_tiles.cc
@@ -122,13 +122,13 @@ class BlueYellowClient : public ContentLayerClient {
     gfx::Rect blue_rect = blue_top_ ? top : bottom;
     gfx::Rect yellow_rect = blue_top_ ? bottom : top;
 
-    PaintFlags paint;
-    paint.setStyle(PaintFlags::kFill_Style);
+    PaintFlags flags;
+    flags.setStyle(PaintFlags::kFill_Style);
 
-    paint.setColor(SK_ColorBLUE);
-    canvas->drawRect(gfx::RectToSkRect(blue_rect), paint);
-    paint.setColor(SK_ColorYELLOW);
-    canvas->drawRect(gfx::RectToSkRect(yellow_rect), paint);
+    flags.setColor(SK_ColorBLUE);
+    canvas->drawRect(gfx::RectToSkRect(blue_rect), flags);
+    flags.setColor(SK_ColorYELLOW);
+    canvas->drawRect(gfx::RectToSkRect(yellow_rect), flags);
 
     display_list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
         PaintableRegion(), recorder.finishRecordingAsPicture());