Cleanup anonymous text objects that pass the document as a node.

third_party/WebKit/Source/core/style/ContentData.h

Index: third_party/WebKit/Source/core/style/ContentData.h
diff --git a/third_party/WebKit/Source/core/style/ContentData.h b/third_party/WebKit/Source/core/style/ContentData.h
index 0b25bccf652d5057debb93c9494df3c5626ec509..de0d47cd65ddf403f876eafd60bf7ad278f279bf 100644
--- a/third_party/WebKit/Source/core/style/ContentData.h
+++ b/third_party/WebKit/Source/core/style/ContentData.h
@@ -33,9 +33,9 @@
 
 namespace blink {
 
-class Document;
-class LayoutObject;
 class ComputedStyle;
+class LayoutObject;
+class PseudoElement;
 
 class ContentData : public GarbageCollectedFinalized<ContentData> {
  public:
@@ -51,7 +51,8 @@ class ContentData : public GarbageCollectedFinalized<ContentData> {
   virtual bool isQuote() const { return false; }
   virtual bool isText() const { return false; }
 
-  virtual LayoutObject* createLayoutObject(Document&, ComputedStyle&) const = 0;
+  virtual LayoutObject* createLayoutObject(PseudoElement&,
+                                           ComputedStyle&) const = 0;
 
   virtual ContentData* clone() const;
 
@@ -84,7 +85,8 @@ class ImageContentData final : public ContentData {
   }
 
   bool isImage() const override { return true; }
-  LayoutObject* createLayoutObject(Document&, ComputedStyle&) const override;
+  LayoutObject* createLayoutObject(PseudoElement&,
+                                   ComputedStyle&) const override;
 
   bool equals(const ContentData& data) const override {
     if (!data.isImage())
@@ -115,7 +117,8 @@ class TextContentData final : public ContentData {
   void setText(const String& text) { m_text = text; }
 
   bool isText() const override { return true; }
-  LayoutObject* createLayoutObject(Document&, ComputedStyle&) const override;
+  LayoutObject* createLayoutObject(PseudoElement&,
+                                   ComputedStyle&) const override;
 
   bool equals(const ContentData& data) const override {
     if (!data.isText())
@@ -143,7 +146,8 @@ class CounterContentData final : public ContentData {
   }
 
   bool isCounter() const override { return true; }
-  LayoutObject* createLayoutObject(Document&, ComputedStyle&) const override;
+  LayoutObject* createLayoutObject(PseudoElement&,
+                                   ComputedStyle&) const override;
 
  private:
   CounterContentData(std::unique_ptr<CounterContent> counter)
@@ -175,7 +179,8 @@ class QuoteContentData final : public ContentData {
   void setQuote(QuoteType quote) { m_quote = quote; }
 
   bool isQuote() const override { return true; }
-  LayoutObject* createLayoutObject(Document&, ComputedStyle&) const override;
+  LayoutObject* createLayoutObject(PseudoElement&,
+                                   ComputedStyle&) const override;
 
   bool equals(const ContentData& data) const override {
     if (!data.isQuote())