Change PDF scaling factor from double to float.

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 95 matching lines @@
   if (!g_debug_dump_info.Get().empty())
     DebugDumpSettings(name(), settings, blocking_runner);
 }
 
 PrintedDocument::~PrintedDocument() {
 }
 
 void PrintedDocument::SetPage(int page_number,
                               scoped_ptr<MetafilePlayer> metafile,
 #if defined(OS_WIN)
-                              double shrink,
+                              float 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.Pass(), paper_size, page_rect));
 #if defined(OS_WIN)
   page->set_shrink_factor(shrink);
 #endif  // OS_WIN
@@ skipping 137 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