Remove support for anonymous deprecated flexboxes.

Source/core/rendering/RenderDeprecatedFlexibleBox.cpp

Index: Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
diff --git a/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp b/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
index 0e8c492832e24ee0c77f761db697db881847e010..0b466a98a2616ee95e600b4e118286092bd5c683 100644
--- a/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
+++ b/Source/core/rendering/RenderDeprecatedFlexibleBox.cpp
@@ -118,31 +118,17 @@ private:
     int m_ordinalIteration;
 };
 
-RenderDeprecatedFlexibleBox::RenderDeprecatedFlexibleBox(Element* element)
-    : RenderBlock(element)
+RenderDeprecatedFlexibleBox::RenderDeprecatedFlexibleBox(Element& element)
+    : RenderBlock(&element)
 {
     setChildrenInline(false); // All of our children must be block-level
     m_stretchingChildren = false;
-    if (!isAnonymous()) {

[cbiesinger, 2014/08/06 03:00:30]

This entire if block needs to stay. The webkit patch removed it because they
don't use UseCounter, but we do want to keep counting how often deprecated
flexboxes are used.

[harpreet.sk, 2014/08/06 13:22:14]

Done.

-        const KURL& url = document().url();
-        if (url.protocolIs("chrome"))
-            UseCounter::count(document(), UseCounter::DeprecatedFlexboxChrome);
-        else if (url.protocolIs("chrome-extension"))
-            UseCounter::count(document(), UseCounter::DeprecatedFlexboxChromeExtension);
-        else
-            UseCounter::count(document(), UseCounter::DeprecatedFlexboxWebContent);
-    }
-}
 
-RenderDeprecatedFlexibleBox::~RenderDeprecatedFlexibleBox()
-{
+    UseCounter::count(document(), UseCounter::DeprecatedFlexboxWebContent);
 }
 
-RenderDeprecatedFlexibleBox* RenderDeprecatedFlexibleBox::createAnonymous(Document* document)
+RenderDeprecatedFlexibleBox::~RenderDeprecatedFlexibleBox()
 {
-    RenderDeprecatedFlexibleBox* renderer = new RenderDeprecatedFlexibleBox(0);
-    renderer->setDocumentForAnonymous(document);
-    return renderer;
 }
 
 static LayoutUnit marginWidthForChild(RenderBox* child)