Remove unnecessary uses of HTMLDocument

third_party/WebKit/Source/core/css/AffectedByFocusTest.cpp

Index: third_party/WebKit/Source/core/css/AffectedByFocusTest.cpp
diff --git a/third_party/WebKit/Source/core/css/AffectedByFocusTest.cpp b/third_party/WebKit/Source/core/css/AffectedByFocusTest.cpp
index ed3fa292c5f7c54b49a51e85a989a302a0a217c8..774373fa846f5722467eaa32e92e8d5cae059686 100644
--- a/third_party/WebKit/Source/core/css/AffectedByFocusTest.cpp
+++ b/third_party/WebKit/Source/core/css/AffectedByFocusTest.cpp
@@ -3,12 +3,12 @@
 // found in the LICENSE file.
 
 #include "core/HTMLNames.h"
+#include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/StyleEngine.h"
 #include "core/frame/FrameView.h"
-#include "core/html/HTMLDocument.h"
 #include "core/html/HTMLElement.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -28,7 +28,7 @@ protected:
 
     void SetUp() override;
 
-    HTMLDocument& document() const { return *m_document; }
+    Document& document() const { return *m_document; }
 
     void setHtmlInnerHTML(const char* htmlContent);
 
@@ -37,13 +37,13 @@ protected:
 private:
     std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
 
-    Persistent<HTMLDocument> m_document;
+    Persistent<Document> m_document;
 };
 
 void AffectedByFocusTest::SetUp()
 {
     m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
-    m_document = toHTMLDocument(&m_dummyPageHolder->document());
+    m_document = &m_dummyPageHolder->document();
     ASSERT(m_document);
 }