Revert of Rewrite clipboard write IPC handling to be easier to understand.

ui/base/clipboard/scoped_clipboard_writer.h

Index: ui/base/clipboard/scoped_clipboard_writer.h
diff --git a/ui/base/clipboard/scoped_clipboard_writer.h b/ui/base/clipboard/scoped_clipboard_writer.h
index ba7f1a504e15491b9a4e0bcd1ddef71778a0d6fb..ab799bd65cee9d33baed728ffd86df58dedc3ce1 100644
--- a/ui/base/clipboard/scoped_clipboard_writer.h
+++ b/ui/base/clipboard/scoped_clipboard_writer.h
@@ -14,7 +14,6 @@
 #include <string>
 
 #include "base/strings/string16.h"
-#include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/ui_base_export.h"
 
@@ -62,12 +61,10 @@
   void WritePickledData(const Pickle& pickle,
                         const Clipboard::FormatType& format);
 
-  void WriteImage(const SkBitmap& bitmap);
-
   // Removes all objects that would be written to the clipboard.
   void Reset();
 
- private:
+ protected:
   // Converts |text| to UTF-8 and adds it to the clipboard.  If it's a URL, we
   // also notify the clipboard of that fact.
   void WriteTextOrURL(const base::string16& text, bool is_url);
@@ -77,12 +74,11 @@
   Clipboard::ObjectMap objects_;
   const ClipboardType type_;
 
-  SkBitmap bitmap_;
-
   // We keep around the UTF-8 text of the URL in order to pass it to
   // Clipboard::DidWriteURL().
   std::string url_text_;
 
+ private:
   DISALLOW_COPY_AND_ASSIGN(ScopedClipboardWriter);
 };