Fix preferred logical widths of orthogonal writing modes

third_party/WebKit/Source/core/frame/LayoutSubtreeRootList.cpp

Index: third_party/WebKit/Source/core/frame/LayoutSubtreeRootList.cpp
diff --git a/third_party/WebKit/Source/core/frame/LayoutSubtreeRootList.cpp b/third_party/WebKit/Source/core/frame/LayoutSubtreeRootList.cpp
index d41fc493325a74c4d71f16896957959420efdaac..1a6375308f47085286a24454dfad6f7c69f0af17 100644
--- a/third_party/WebKit/Source/core/frame/LayoutSubtreeRootList.cpp
+++ b/third_party/WebKit/Source/core/frame/LayoutSubtreeRootList.cpp
@@ -6,51 +6,20 @@
 
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutView.h"
-#include <algorithm>
 
 namespace blink {
 
-unsigned LayoutSubtreeRootList::LayoutSubtree::determineDepth(LayoutObject* object)
-{
-    unsigned depth = 1;
-    for (LayoutObject* parent = object->parent(); parent; parent = parent->parent())
-        ++depth;
-    return depth;
-}
-
-void LayoutSubtreeRootList::removeRoot(LayoutObject& object)
-{
-    auto root = m_roots.find(&object);
-    ASSERT(root == m_roots.end() || m_orderedRoots.isEmpty());
-    m_roots.remove(root);
-}
-
 void LayoutSubtreeRootList::clearAndMarkContainingBlocksForLayout()
 {
-    for (auto& iter : m_roots)
+    for (auto& iter : unordered())
         iter->markContainerChainForLayout(false);
-    m_roots.clear();
+    clear();
 }
 
 LayoutObject* LayoutSubtreeRootList::randomRoot()
 {
     ASSERT(!isEmpty());
-    return *m_roots.begin();
-}
-
-LayoutObject* LayoutSubtreeRootList::takeDeepestRoot()
-{
-    if (m_orderedRoots.isEmpty()) {
-        if (m_roots.isEmpty())
-            return 0;
-
-        copyToVector(m_roots, m_orderedRoots);
-        std::sort(m_orderedRoots.begin(), m_orderedRoots.end());
-        m_roots.clear();
-    }
-    LayoutObject* root = m_orderedRoots.last().object;
-    m_orderedRoots.removeLast();
-    return root;
+    return *unordered().begin();
 }
 
 void LayoutSubtreeRootList::countObjectsNeedingLayoutInRoot(const LayoutObject* object, unsigned& needsLayoutObjects, unsigned& totalObjects)
@@ -65,7 +34,7 @@ void LayoutSubtreeRootList::countObjectsNeedingLayoutInRoot(const LayoutObject*
 void LayoutSubtreeRootList::countObjectsNeedingLayout(unsigned& needsLayoutObjects, unsigned& totalObjects)
 {
     // TODO(leviw): This will double-count nested roots crbug.com/509141
-    for (auto& root : m_roots)
+    for (auto& root : unordered())
         countObjectsNeedingLayoutInRoot(root, needsLayoutObjects, totalObjects);
 }