cc: Remove all blimp code from cc.

cc/playback/display_item_list_settings.h

Index: cc/playback/display_item_list_settings.h
diff --git a/cc/playback/display_item_list_settings.h b/cc/playback/display_item_list_settings.h
index 9c081623b8ae66958170a0953203e415d90cd5b7..85fe8db3fa6d53c550efebd341ed28dcc8f27afa 100644
--- a/cc/playback/display_item_list_settings.h
+++ b/cc/playback/display_item_list_settings.h
@@ -11,18 +11,11 @@
 
 namespace cc {
 
-namespace proto {
-class DisplayItemListSettings;
-}
-
 class CC_EXPORT DisplayItemListSettings {
  public:
   DisplayItemListSettings();
-  explicit DisplayItemListSettings(const proto::DisplayItemListSettings& proto);
   ~DisplayItemListSettings();
 
-  void ToProtobuf(proto::DisplayItemListSettings* proto) const;
-
   // If set, a picture will be cached inside the DisplayItemList.
   bool use_cached_picture;
 };