Move hasThreadRoot into MXKRoomBubbleCellDataStoring protocol

Riot/Modules/MatrixKit/Models/Room/MXKRoomBubbleCellData.h

@@ -86,11 +86,6 @@
  */
 @property (nonatomic, readonly) BOOL hasLink;
 
-/**
- Whether the data has a thread root in its components.
- */
-@property (nonatomic, readonly) BOOL hasThreadRoot;
-
 /**
  Event formatter
  */

Riot/Modules/MatrixKit/Models/Room/MXKRoomBubbleCellData.m

@@ -467,6 +467,22 @@
     }
 }
 
+- (BOOL)hasThreadRoot
+{
+    @synchronized (bubbleComponents)
+    {
+        for (MXKRoomBubbleComponent *component in bubbleComponents)
+        {
+            if (component.thread)
+            {
+                return YES;
+            }
+        }
+    }
+
+    return NO;
+}
+
 #pragma mark -
 
 - (void)invalidateTextLayout
@@ -656,22 +672,6 @@
     return NO;
 }
 
-- (BOOL)hasThreadRoot
-{
-    @synchronized (bubbleComponents)
-    {
-        for (MXKRoomBubbleComponent *component in bubbleComponents)
-        {
-            if (component.thread)
-            {
-                return YES;
-            }
-        }
-    }
-    
-    return NO;
-}
-
 - (MXKRoomBubbleComponentDisplayFix)displayFix
 {
     MXKRoomBubbleComponentDisplayFix displayFix = MXKRoomBubbleComponentDisplayFixNone;

Riot/Modules/MatrixKit/Models/Room/MXKRoomBubbleCellDataStoring.h

@@ -117,6 +117,11 @@
  */
 @property (nonatomic, readonly) BOOL hasNoDisplay;
 
+/**
+ Whether the data has a thread root in its components.
+ */
+@property (nonatomic, readonly) BOOL hasThreadRoot;
+
 /**
  The list of events (`MXEvent` instances) handled by this bubble.
  */