Change PDF scaling factor from double to float.

chrome/browser/printing/print_job.cc

 // Copyright (c) 2012 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 "chrome/browser/printing/print_job.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_restrictions.h"
@@ skipping 276 matching lines @@
     ptd_to_emf_state_.reset();
     Cancel();
     return;
   }
   ptd_to_emf_state_->set_page_count(page_count);
   ptd_to_emf_state_->GetMorePages(
       base::Bind(&PrintJob::OnPdfToEmfPageConverted, this));
 }
 
 void PrintJob::OnPdfToEmfPageConverted(int page_number,
-                                       double scale_factor,
+                                       float scale_factor,
                                        scoped_ptr<MetafilePlayer> emf) {
   DCHECK(ptd_to_emf_state_);
   if (!document_.get() || !emf) {
     ptd_to_emf_state_.reset();
     Cancel();
     return;
   }
 
   // Update the rendered document. It will send notifications to the listener.
   document_->SetPage(page_number,
@@ skipping 145 matching lines @@
 }
 
 JobEventDetails::~JobEventDetails() {
 }
 
 PrintedDocument* JobEventDetails::document() const { return document_.get(); }
 
 PrintedPage* JobEventDetails::page() const { return page_.get(); }
 
 }  // namespace printing