cc: Clean up naming of paint-related identifiers

cc/playback/drawing_display_item.cc

Index: cc/playback/drawing_display_item.cc
diff --git a/cc/playback/drawing_display_item.cc b/cc/playback/drawing_display_item.cc
index cec2980df4276cc9f3336da071aba46ac273abf2..f040dfe080509c56f3a633e13ddd94b5241f0ddf 100644
--- a/cc/playback/drawing_display_item.cc
+++ b/cc/playback/drawing_display_item.cc
@@ -21,9 +21,9 @@ namespace cc {
 
 DrawingDisplayItem::DrawingDisplayItem() : DisplayItem(DRAWING) {}
 
-DrawingDisplayItem::DrawingDisplayItem(sk_sp<const PaintRecord> picture)
+DrawingDisplayItem::DrawingDisplayItem(sk_sp<const PaintRecord> record)
     : DisplayItem(DRAWING) {
-  SetNew(std::move(picture));
+  SetNew(std::move(record));
 }
 
 DrawingDisplayItem::DrawingDisplayItem(const DrawingDisplayItem& item)
@@ -34,8 +34,8 @@ DrawingDisplayItem::DrawingDisplayItem(const DrawingDisplayItem& item)
 DrawingDisplayItem::~DrawingDisplayItem() {
 }
 
-void DrawingDisplayItem::SetNew(sk_sp<const PaintRecord> picture) {
-  picture_ = std::move(picture);
+void DrawingDisplayItem::SetNew(sk_sp<const PaintRecord> record) {
+  picture_ = std::move(record);
 }
 
 DISABLE_CFI_PERF