Stop overloading Init() in NativeMetafile.

printing/emf_win.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_EMF_WIN_H_
 #define PRINTING_EMF_WIN_H_
 
 #include <windows.h>
 #include <vector>
 
@@ skipping 13 matching lines @@
 class Emf : public NativeMetafile {
  public:
   class Record;
   class Enumerator;
   struct EnumerationContext;
 
   virtual ~Emf();
 
   // NativeMetafile methods.
   virtual bool Init() { return true; }
-  virtual bool Init(const void* src_buffer, uint32 src_buffer_size);
+  virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size);
 
   virtual bool StartPage();
   virtual bool FinishPage();
   virtual bool Close();
 
   virtual uint32 GetDataSize() const;
   virtual bool GetData(void* buffer, uint32 size) const;
 
   // Saves the EMF data to a file as-is. It is recommended to use the .emf file
   // extension but it is not enforced. This function synchronously writes to the
@@ skipping 119 matching lines @@
   std::vector<Record> items_;
 
   EnumerationContext context_;
 
   DISALLOW_COPY_AND_ASSIGN(Enumerator);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_EMF_WIN_H_