Guarded shrink setting with ifdefs to make clear where it is used.

printing/printed_document.cc

 // 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.
 
 #include "printing/printed_document.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 47 matching lines @@
       mutable_.expected_page_count_ += range.to - range.from + 1;
     }
   }
 }
 
 PrintedDocument::~PrintedDocument() {
 }
 
 void PrintedDocument::SetPage(int page_number,
                               Metafile* metafile,
+#if defined(OS_WIN)
                               double shrink,
+#endif  // OS_WIN
                               const gfx::Size& paper_size,
                               const gfx::Rect& page_rect) {
   // Notice the page_number + 1, the reason is that this is the value that will
   // be shown. Users dislike 0-based counting.
   scoped_refptr<PrintedPage> page(
-      new PrintedPage(page_number + 1,
-                      metafile,
-                      paper_size,
-                      page_rect,
-                      shrink));
+      new PrintedPage(page_number + 1, metafile, paper_size, page_rect));
+#if defined(OS_WIN)
+  page->set_shrink_factor(shrink);
+#endif  // OS_WIN
   {
     base::AutoLock lock(lock_);
     mutable_.pages_[page_number] = page;
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
     if (page_number < mutable_.first_page)
       mutable_.first_page = page_number;
 #endif
   }
   DebugDump(*page.get());
@@ skipping 139 matching lines @@
 }
 
 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
 // This function is not used on aura linux/chromeos or android.
 void PrintedDocument::RenderPrintedPage(const PrintedPage& page,
                                         PrintingContext* context) const {
 }
 #endif
 
 }  // namespace printing