Componentization: make symbols visible.

Source/core/paint/NinePieceImageGrid.h

 // Copyright 2015 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.
 
 #ifndef NinePieceImageGrid_h
 #define NinePieceImageGrid_h
 
+#include "core/CoreExport.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/Image.h"
 #include "platform/heap/Heap.h"
 
 namespace blink {
 
 class IntRectOutsets;
@@ skipping 32 matching lines @@
 //   |   |         |   |          |  |            |  |
 //   | 3 |    9    | 6 |          |  |    css     |  |
 //   |   |  image  |   |          |  |    box     |  |
 //   |   |         |   |          |  |            |  |
 // --+---+---------+---+---       |  |            |  |
 //   | 2 |    8    | 5 |          |  +------------+  |
 //   +---+---------+---+          |                  |
 //       |         |              +------------------+
 //
 // it generates drawing information for the nine border pieces.
-class NinePieceImageGrid {
+class CORE_EXPORT NinePieceImageGrid {
     STACK_ALLOCATED();
 
 public:
     NinePieceImageGrid(const NinePieceImage&, IntSize imageSize, IntRect borderImageArea,
         const IntRectOutsets& borderWidths);
 
-    struct NinePieceDrawInfo {
+    struct CORE_EXPORT NinePieceDrawInfo {
         bool isDrawable;
         bool isCornerPiece;
         FloatRect destination;
         FloatRect source;
 
         // tileScale and tileRule are only useful for non-corners, i.e. edge and center pieces.
         FloatSize tileScale;
         struct {
             Image::TileRule horizontal;
             Image::TileRule vertical;
@@ skipping 21 matching lines @@
 
     Edge m_top;
     Edge m_right;
     Edge m_bottom;
     Edge m_left;
 };
 
 } // namespace blink
 
 #endif // NinePieceImageGrid_h