Move ChromeExtensionHostMsg_AttachGuest to extensions.

chrome/browser/renderer_host/chrome_extension_message_filter.cc

Index: chrome/browser/renderer_host/chrome_extension_message_filter.cc
diff --git a/chrome/browser/renderer_host/chrome_extension_message_filter.cc b/chrome/browser/renderer_host/chrome_extension_message_filter.cc
index 2326da2c0c7c5c958942a8a49219e190857edd8d..ae531912c1f34d9101b88bf3c562156c0d3c2a63 100644
--- a/chrome/browser/renderer_host/chrome_extension_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_extension_message_filter.cc
@@ -22,8 +22,6 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "extensions/browser/extension_system.h"
-#include "extensions/browser/guest_view/guest_view_base.h"
-#include "extensions/browser/guest_view/guest_view_manager.h"
 #include "extensions/common/api/messaging/message.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_messages.h"
@@ -90,7 +88,6 @@ bool ChromeExtensionMessageFilter::OnMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeExtensionMessageFilter, message)
-    IPC_MESSAGE_HANDLER(ChromeExtensionHostMsg_AttachGuest, OnAttachGuest)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CanTriggerClipboardRead,
                         OnCanTriggerClipboardRead)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_CanTriggerClipboardWrite,
@@ -119,7 +116,6 @@ bool ChromeExtensionMessageFilter::OnMessageReceived(
 void ChromeExtensionMessageFilter::OverrideThreadForMessage(
     const IPC::Message& message, BrowserThread::ID* thread) {
   switch (message.type()) {
-    case ChromeExtensionHostMsg_AttachGuest::ID:
     case ExtensionHostMsg_PostMessage::ID:
     case ExtensionHostMsg_CloseChannel::ID:
       *thread = BrowserThread::UI;
@@ -152,24 +148,6 @@ void ChromeExtensionMessageFilter::OnCanTriggerClipboardWrite(
           origin, render_process_id_, APIPermission::kClipboardWrite));
 }
 
-void ChromeExtensionMessageFilter::OnAttachGuest(
-    int routing_id,
-    int element_instance_id,
-    int guest_instance_id,
-    const base::DictionaryValue& params) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  extensions::GuestViewManager* manager =
-      extensions::GuestViewManager::FromBrowserContext(profile_);
-  if (!manager)
-    return;
-
-  manager->AttachGuest(render_process_id_,
-                       routing_id,
-                       element_instance_id,
-                       guest_instance_id,
-                       params);
-}
-
 void ChromeExtensionMessageFilter::OnOpenChannelToExtension(
     int routing_id,
     const ExtensionMsg_ExternalConnectionInfo& info,