Revert 95480 - Abstract fullscreen exit bubble logic to bring Linux's behaviour in line with

chrome/browser/themes/browser_theme_pack.h

Index: chrome/browser/themes/browser_theme_pack.h
===================================================================
--- chrome/browser/themes/browser_theme_pack.h	(revision 95481)
+++ chrome/browser/themes/browser_theme_pack.h	(working copy)
@@ -103,8 +103,8 @@
   // The raw PNG memory associated with a certain id.
   typedef std::map<int, scoped_refptr<RefCountedMemory> > RawImages;
 
-  // The type passed to ui::DataPack::WritePack.
-  typedef std::map<uint16, base::StringPiece> RawDataForWriting;
+  // The type passed to base::DataPack::WritePack.
+  typedef std::map<uint32, base::StringPiece> RawDataForWriting;
 
   // An association between an id and the FilePath that has the image data.
   typedef std::map<int, FilePath> FilePathMap;