Remove BrowserPlugin's -internal-attach method

content/common/browser_plugin/browser_plugin_messages.h

Index: content/common/browser_plugin/browser_plugin_messages.h
diff --git a/content/common/browser_plugin/browser_plugin_messages.h b/content/common/browser_plugin/browser_plugin_messages.h
index 0d1313780022e0be1441cc50e68c5ec037478023..0359d77d34ff8015fc56c6c12b0b46c19a8c8093 100644
--- a/content/common/browser_plugin/browser_plugin_messages.h
+++ b/content/common/browser_plugin/browser_plugin_messages.h
@@ -8,7 +8,6 @@
 
 #include "base/basictypes.h"
 #include "base/process/process.h"
-#include "base/values.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/cursors/webcursor.h"
@@ -135,10 +134,9 @@ IPC_MESSAGE_ROUTED3(
 // |params| is the state of the BrowserPlugin taking ownership of
 // the guest. If a guest doesn't already exist with the given |instance_id|,
 // a new one will be created.
-IPC_MESSAGE_ROUTED3(BrowserPluginHostMsg_Attach,
+IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_Attach,
                     int /* instance_id */,
-                    BrowserPluginHostMsg_Attach_Params /* params */,
-                    base::DictionaryValue /* extra_params */)
+                    BrowserPluginHostMsg_Attach_Params /* params */)
 
 // Tells the guest to focus or defocus itself.
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_SetFocus,
@@ -213,7 +211,9 @@ IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_ResizeGuest,
 
 // This message is sent in response to a completed attachment of a guest
 // to a BrowserPlugin.
-IPC_MESSAGE_CONTROL1(BrowserPluginMsg_Attach_ACK, int /* instance_id */)
+IPC_MESSAGE_CONTROL2(BrowserPluginMsg_Attach_ACK,
+                     int /* browser_plugin_instance_id */,
+                     int /* instance_id */)
 
 // Once the swapped out guest RenderView has been created in the embedder render
 // process, the browser process informs the embedder of its routing ID.