check-point for linux fontmgr impl

trunk/include/ports/SkFontConfigInterface.h

Index: trunk/include/ports/SkFontConfigInterface.h
===================================================================
--- trunk/include/ports/SkFontConfigInterface.h	(revision 8807)
+++ trunk/include/ports/SkFontConfigInterface.h	(working copy)
@@ -49,11 +49,21 @@
                    fTTCIndex == other.fTTCIndex &&
                    fString == other.fString;
         }
+        bool operator!=(const FontIdentity& other) const {
+            return !(*this == other);
+        }
 
         uint32_t    fID;
         int32_t     fTTCIndex;
         SkString    fString;
         SkFontStyle fStyle;
+        
+        // If buffer is NULL, just return the number of bytes that would have
+        // been written. Will pad contents to a multiple of 4.
+        size_t writeToMemory(void* buffer = NULL) const;
+        
+        // Recreate from a flattened buffer, returning the number of bytes read.
+        size_t readFromMemory(const void* buffer, size_t length);
     };
 
     /**