DocumentMarkerControllerTest: drop unnecessary caching of Document reference.

third_party/WebKit/Source/core/editing/markers/DocumentMarkerControllerTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 #include "core/html/HTMLElement.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class DocumentMarkerControllerTest : public ::testing::Test {
 protected:
-    void SetUp() override;
+    DocumentMarkerControllerTest()
+        : m_dummyPageHolder(DummyPageHolder::create(IntSize(800, 600)))
+    {
+    }
 
-    Document& document() const { return *m_document; }
-    DocumentMarkerController& markerController() const { return m_document->markers(); }
+    Document& document() const { return m_dummyPageHolder->document(); }
+    DocumentMarkerController& markerController() const { return document().markers(); }
 
     PassRefPtrWillBeRawPtr<Text> createTextNode(const char*);
     void markNodeContents(PassRefPtrWillBeRawPtr<Node>);
     void markNodeContentsWithComposition(PassRefPtrWillBeRawPtr<Node>);
     void setBodyInnerHTML(const char*);
 
 private:
     OwnPtr<DummyPageHolder> m_dummyPageHolder;
-    RefPtrWillBePersistent<Document> m_document;
 };
 
-void DocumentMarkerControllerTest::SetUp()
-{
-    m_dummyPageHolder = DummyPageHolder::create(IntSize(800, 600));
-    m_document = &m_dummyPageHolder->document();
-    ASSERT(m_document);
-}
-
 PassRefPtrWillBeRawPtr<Text> DocumentMarkerControllerTest::createTextNode(const char* textContents)
 {
     return document().createTextNode(String::fromUTF8(textContents));
 }
 
 void DocumentMarkerControllerTest::markNodeContents(PassRefPtrWillBeRawPtr<Node> node)
 {
     // Force layoutObjects to be created; TextIterator, which is used in
     // DocumentMarkerControllerTest::addMarker(), needs them.
     document().updateLayout();
@@ skipping 170 matching lines @@
     setBodyInnerHTML("<div style='margin: 100px'>foo</div>");
     RefPtrWillBeRawPtr<Node> text = document().body()->firstChild()->firstChild();
     document().updateLayout();
     markerController().addCompositionMarker(Position(text, 0), Position(text, 1), Color::black, false, Color::black);
     markerController().addCompositionMarker(Position(text, 1), Position(text, 3), Color::black, true, Color::black);
 
     EXPECT_EQ(2u, markerController().markers().size());
 }
 
 } // namespace blink