Make ViewHostMsg_Keygen a routed ipc (part 1/2).

content/common/view_messages.h

Index: content/common/view_messages.h
diff --git a/content/common/view_messages.h b/content/common/view_messages.h
index 6953964b4b8ad9a708e5f9d64eb63760cf916823..a373a08796d053d4e51170ad0a8438d57a8637b2 100644
--- a/content/common/view_messages.h
+++ b/content/common/view_messages.h
@@ -1878,11 +1878,11 @@ IPC_MESSAGE_ROUTED3(ViewHostMsg_AsyncOpenFile,
 // Asks the browser process to generate a keypair for grabbing a client
 // certificate from a CA (<keygen> tag), and returns the signed public
 // key and challenge string.
-IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
-                            uint32 /* key size index */,
-                            std::string /* challenge string */,
-                            GURL /* URL of requestor */,
-                            std::string /* signed public key and challenge */)
+IPC_SYNC_MESSAGE_ROUTED3_1(ViewHostMsg_Keygen,
+                           uint32 /* key size index */,
+                           std::string /* challenge string */,
+                           GURL /* URL of requestor */,
+                           std::string /* signed public key and challenge */)
 
 // Message sent from the renderer to the browser to request that the browser
 // close all sockets.  Used for debugging/testing.