Bug 576649. r=bzbarsky a=blocking2.0

layout/base/nsCSSFrameConstructor.cpp

@@ -7611,13 +7611,14 @@ UpdateViewsForTree(nsIFrame* aFrame, nsIViewManager* aViewManager,
       if (!(child->GetStateBits() & NS_FRAME_OUT_OF_FLOW)
           || (child->GetStateBits() & NS_FRAME_IS_OVERFLOW_CONTAINER)) {
         // only do frames that don't have placeholders
-        if (nsGkAtoms::placeholderFrame == child->GetType()) { // placeholder
-          // get out of flow frame and start over there
+        if (nsGkAtoms::placeholderFrame == child->GetType()) {
+          // do the out-of-flow frame and its continuations
           nsIFrame* outOfFlowFrame =
             nsPlaceholderFrame::GetRealFrameForPlaceholder(child);
-
-          DoApplyRenderingChangeToTree(outOfFlowFrame, aViewManager,
-                                       aFrameManager, aChange);
+          do {
+            DoApplyRenderingChangeToTree(outOfFlowFrame, aViewManager,
+                                         aFrameManager, aChange);
+          } while (outOfFlowFrame = outOfFlowFrame->GetNextContinuation());
         } else if (childList == nsGkAtoms::popupList) {
           DoApplyRenderingChangeToTree(child, aViewManager,
                                        aFrameManager, aChange);

layout/base/nsFrameManager.cpp

@@ -22,6 +22,7 @@
  * the Initial Developer. All Rights Reserved.
  *
  * Contributor(s):
+ *   Mats Palmgren <matspal@gmail.com>
  *
  * Alternatively, the contents of this file may be used under the terms of
  * either of the GNU General Public License Version 2 or later (the "GPL"),
@@ -771,12 +772,13 @@ nsresult
 nsFrameManager::ReparentStyleContext(nsIFrame* aFrame)
 {
   if (nsGkAtoms::placeholderFrame == aFrame->GetType()) {
-    // Also reparent the out-of-flow
+    // Also reparent the out-of-flow and all its continuations.
     nsIFrame* outOfFlow =
       nsPlaceholderFrame::GetRealFrameForPlaceholder(aFrame);
     NS_ASSERTION(outOfFlow, "no out-of-flow frame");
-
-    ReparentStyleContext(outOfFlow);
+    do {
+      ReparentStyleContext(outOfFlow);
+    } while (outOfFlow = outOfFlow->GetNextContinuation());
   }
 
   // DO NOT verify the style tree before reparenting.  The frame
@@ -1470,13 +1472,15 @@ nsFrameManager::ReResolveStyleContext(nsPresContext     *aPresContext,
 
               // |nsFrame::GetParentStyleContextFrame| checks being out
               // of flow so that this works correctly.
-              ReResolveStyleContext(aPresContext, outOfFlowFrame,
-                                    content, aChangeList,
-                                    NS_SubtractHint(aMinChange,
-                                                    nsChangeHint_ReflowFrame),
-                                    childRestyleHint,
-                                    fireAccessibilityEvents,
-                                    aRestyleTracker);
+              do {
+                ReResolveStyleContext(aPresContext, outOfFlowFrame,
+                                      content, aChangeList,
+                                      NS_SubtractHint(aMinChange,
+                                                      nsChangeHint_ReflowFrame),
+                                      childRestyleHint,
+                                      fireAccessibilityEvents,
+                                      aRestyleTracker);
+              } while (outOfFlowFrame = outOfFlowFrame->GetNextContinuation());
 
               // reresolve placeholder's context under the same parent
               // as the out-of-flow frame