Stop overloading Init() in NativeMetafile.

printing/pdf_metafile_mac.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_PDF_METAFILE_MAC_H_
 #define PRINTING_PDF_METAFILE_MAC_H_
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <CoreFoundation/CoreFoundation.h>
 
@@ skipping 13 matching lines @@
 namespace printing {
 
 // This class creates a graphics context that renders into a PDF data stream.
 class PdfMetafile : public NativeMetafile {
  public:
 
   virtual ~PdfMetafile();
 
   // NativeMetafile methods.
   virtual bool Init();
-  virtual bool Init(const void* src_buffer, uint32 src_buffer_size);
+  virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size);
 
   virtual CGContextRef StartPage(const gfx::Size& page_size,
                                  const gfx::Point& content_origin,
                                  const float& scale_factor);
   virtual bool FinishPage();
   virtual bool Close();
 
   virtual uint32 GetDataSize() const;
   virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const;
 
@@ skipping 36 matching lines @@
 
   // Whether or not a page is currently open.
   bool page_is_open_;
 
   DISALLOW_COPY_AND_ASSIGN(PdfMetafile);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PDF_METAFILE_MAC_H_