Make inline blocks correctly update their line box selection state.

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index ca4ff243d42e22c68bf317cdc7e13bfd3d943e77..ef3366b0d842a66a66c966050add9d4d69c161f7 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -2514,6 +2514,14 @@ RenderBlock* RenderBlock::blockBeforeWithinSelectionRoot(LayoutSize& offset) con
     return beforeBlock;
 }
 
+void RenderBlock::setSelectionState(SelectionState state)
+{
+    RenderBox::setSelectionState(state);
+
+    if (inlineBoxWrapper() && canUpdateSelectionOnRootLineBoxes())
+        inlineBoxWrapper()->root().setHasSelectedChildren(state != SelectionNone);
+}
+
 void RenderBlock::insertIntoTrackedRendererMaps(RenderBox* descendant, TrackedDescendantsMap*& descendantsMap, TrackedContainerMap*& containerMap)
 {
     if (!descendantsMap) {