Don't include headers from the layout API from other headers needlessly.

third_party/WebKit/Source/core/paint/SVGInlineTextBoxPainterTest.cpp

 // Copyright 2016 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/paint/SVGInlineTextBoxPainter.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Range.h"
 #include "core/editing/DOMSelection.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/layout/LayoutTestHelper.h"
+#include "core/layout/LayoutView.h"
 #include "core/layout/line/InlineTextBox.h"
 #include "core/layout/svg/LayoutSVGInlineText.h"
 #include "core/layout/svg/LayoutSVGText.h"
 #include "core/paint/PaintLayer.h"
 #include "platform/geometry/IntRectOutsets.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/paint/DisplayItemList.h"
 #include "platform/graphics/paint/DrawingDisplayItem.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 121 matching lines @@
         "</svg>");
     document().view()->updateAllLifecyclePhases();
 
     const DrawingDisplayItem* drawingDisplayItem = getDrawingForSVGTextById("target");
     assertTextDrawingEquals(drawingDisplayItem, "x");
     EXPECT_RECT_EQ(IntRect(50, 3, 220, 238), cullRectFromDrawing(*drawingDisplayItem));
 }
 
 } // namespace
 } // namespace blink