clean up printing::Image and printing::Metafile

components/printing/test/mock_printer.h

 // Copyright 2014 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 COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_
 #define COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 13 matching lines @@
 struct PrintHostMsg_DidPrintPage_Params;
 
 // A class which represents an output page used in the MockPrinter class.
 // The MockPrinter class stores output pages in a vector, so, this class
 // inherits the base::RefCounted<> class so that the MockPrinter class can use
 // a smart pointer of this object (i.e. scoped_refptr<>).
 class MockPrinterPage : public base::RefCounted<MockPrinterPage> {
  public:
   MockPrinterPage(const void* source_data,
                   uint32_t source_size,
-                  const printing::Image& image);
+                  printing::Image image);
 
   int width() const { return image_.size().width(); }
   int height() const { return image_.size().height(); }
   const uint8_t* source_data() const { return source_data_.get(); }
   uint32_t source_size() const { return source_size_; }
   const printing::Image& image() const { return image_; }
 
  private:
   friend class base::RefCounted<MockPrinterPage>;
   virtual ~MockPrinterPage();
@@ skipping 112 matching lines @@
 
   // Used for generating invalid settings.
   bool use_invalid_settings_;
 
   std::vector<scoped_refptr<MockPrinterPage>> pages_;
 
   DISALLOW_COPY_AND_ASSIGN(MockPrinter);
 };
 
 #endif  // COMPONENTS_PRINTING_TEST_MOCK_PRINTER_H_