Add printing.dll to the component build.

printing/printed_page.h

 // Copyright (c) 2011 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 PRINTING_PRINTED_PAGE_H_
 #define PRINTING_PRINTED_PAGE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "printing/metafile.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 namespace printing {
 
 // Contains the data to reproduce a printed page, either on screen or on
 // paper. Once created, this object is immutable. It has no reference to the
 // PrintedDocument containing this page.
 // Note: May be accessed from many threads at the same time. This is an non
 // issue since this object is immutable. The reason is that a page may be
 // printed and be displayed at the same time.
-class PrintedPage : public base::RefCountedThreadSafe<PrintedPage> {
+class PRINTING_EXPORT PrintedPage
+    : public base::RefCountedThreadSafe<PrintedPage> {
  public:
   PrintedPage(int page_number,
               Metafile* metafile,
               const gfx::Size& page_size,
               const gfx::Rect& page_content_rect,
               bool has_visible_overlays);
 
   // Getters
   int page_number() const { return page_number_; }
   const Metafile* metafile() const;
@@ skipping 26 matching lines @@
 
   // True if the overlays should be visible in this page.
   bool has_visible_overlays_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintedPage);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTED_PAGE_H_