Move flash clipboard to the new proxy and add custom format support

webkit/glue/clipboard_client.h

Index: webkit/glue/clipboard_client.h
diff --git a/webkit/glue/clipboard_client.h b/webkit/glue/clipboard_client.h
index 9d69c988a86fa1067b7c4dfa70dc79e57348f0a0..5126e9f033cc997d7ed2a7c9c2241cc3b9f99cf4 100644
--- a/webkit/glue/clipboard_client.h
+++ b/webkit/glue/clipboard_client.h
@@ -70,6 +70,10 @@ class ClipboardClient {
                               const string16& type,
                               string16* data) = 0;
 
+  // Reads raw data from the clipboard for a given format.
+  virtual void ReadData(const ui::Clipboard::FormatType& format,
+                        std::string* data) = 0;
+
   // Creates a context to write clipboard data. May return NULL.
   virtual WriteContext* CreateWriteContext() = 0;
 };