Don't include LayoutObject-derived headers where not needed.

third_party/WebKit/Source/core/editing/FrameSelectionTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/editing/FrameSelection.h"
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingTestBase.h"
 #include "core/editing/FrameCaret.h"
 #include "core/editing/SelectionController.h"
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/input/EventHandler.h"
-#include "core/layout/LayoutView.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/PaintLayer.h"
 #include "core/testing/DummyPageHolder.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/StdLibExtras.h"
 #include <memory>
@@ skipping 295 matching lines @@
   selection().updateIfNeeded();
 
   // TODO(yosin): Once lazy canonicalization implemented, selection.start
   // should be Position(HTML, 0).
   EXPECT_EQ(Position(), selection().start())
       << "updateIfNeeded() makes selection to null.";
   EXPECT_EQ(selection().start(), caretPosition().position());
 }
 
 }  // namespace blink