Implement new Chromium IPCs for copying/dragging

chrome/common/render_messages_internal.h

Index: chrome/common/render_messages_internal.h
diff --git a/chrome/common/render_messages_internal.h b/chrome/common/render_messages_internal.h
index 0ba750af2e63963b644ccf568de5ebdabf632ba4..9cb8134d81dca75c97ceba6b84800b388cb34066 100644
--- a/chrome/common/render_messages_internal.h
+++ b/chrome/common/render_messages_internal.h
@@ -1427,6 +1427,22 @@ IPC_BEGIN_MESSAGES(ViewHost)
                               string16 /* markup */,
                               GURL /* url */)
 
+  IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_ClipboardReadAvailableTypes,
+                              Clipboard::Buffer /* buffer */,
+                              bool /* result */,
+                              std::vector<string16> /* types */,
+                              bool /* contains filenames */)
+  IPC_SYNC_MESSAGE_CONTROL2_3(ViewHostMsg_ClipboardReadData,
+                              Clipboard::Buffer /* buffer */,
+                              string16 /* type */,
+                              bool /* succeeded */,
+                              string16 /* data */,
+                              string16 /* metadata */)
+  IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ClipboardReadFilenames,
+                              Clipboard::Buffer /* buffer */,
+                              bool /* result */,
+                              std::vector<string16> /* filenames */)
+
 #if defined(OS_MACOSX)
   IPC_MESSAGE_CONTROL1(ViewHostMsg_ClipboardFindPboardWriteStringAsync,
       string16 /* text */)