Move cc::DisplayItemList and related classes into cc/paint/

cc/base/reverse_spiral_iterator.h

Index: cc/base/reverse_spiral_iterator.h
diff --git a/cc/base/reverse_spiral_iterator.h b/cc/base/reverse_spiral_iterator.h
index d6c5d9e1d859fb9503ef6d5ef7752c8e5ba3fbbd..3fef364871dc38479c07cbef999afad9791e60da 100644
--- a/cc/base/reverse_spiral_iterator.h
+++ b/cc/base/reverse_spiral_iterator.h
@@ -6,7 +6,7 @@
 #define CC_BASE_REVERSE_SPIRAL_ITERATOR_H_
 
 #include "base/logging.h"
-#include "cc/base/cc_export.h"
+#include "cc/base/base_export.h"
 #include "cc/base/index_rect.h"
 
 namespace cc {
@@ -27,7 +27,7 @@ namespace cc {
 //    ├───┼───┼───┼───┼───┤
 //  4 │  5│  4│  3│  2│  1│
 //    └───┴───┴───┴───┴───┘
-class CC_EXPORT ReverseSpiralIterator {
+class CC_BASE_EXPORT ReverseSpiralIterator {
  public:
   ReverseSpiralIterator();
   ReverseSpiralIterator(const IndexRect& around_index_rect,
@@ -36,6 +36,8 @@ class CC_EXPORT ReverseSpiralIterator {
 
   ~ReverseSpiralIterator() = default;
 
+  ReverseSpiralIterator& operator=(ReverseSpiralIterator&& other) = default;
+
   operator bool() const;
   ReverseSpiralIterator& operator++();
   int index_x() const { return index_x_; }