Remove BrowserPlugin's -internal-attach method

chrome/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 280 matching lines @@
   }
   WebContents::CreateParams params(
       embedder_render_process_host->GetBrowserContext(),
       guest_site_instance);
   params.guest_delegate = this;
   callback.Run(WebContents::Create(params));
 }
 
 void WebViewGuest::DidAttachToEmbedder() {
   std::string name;
-  if (extra_params()->GetString(webview::kName, &name)) {
+  if (attach_params()->GetString(webview::kName, &name)) {
     // If the guest window's name is empty, then the WebView tag's name is
     // assigned. Otherwise, the guest window's name takes precedence over the
     // WebView tag's name.
     if (name_.empty())
       name_ = name;
   }
   ReportFrameNameChange(name_);
 
   std::string user_agent_override;
-  if (extra_params()->GetString(webview::kParameterUserAgentOverride,
-                                &user_agent_override)) {
+  if (attach_params()->GetString(webview::kParameterUserAgentOverride,
+                                 &user_agent_override)) {
     SetUserAgentOverride(user_agent_override);
   } else {
     SetUserAgentOverride("");
   }
 
   std::string src;
-  if (extra_params()->GetString("src", &src) && !src.empty())
+  if (attach_params()->GetString("src", &src) && !src.empty())
     NavigateGuest(src);
 
   if (GetOpener()) {
     // We need to do a navigation here if the target URL has changed between
     // the time the WebContents was created and the time it was attached.
     // We also need to do an initial navigation if a RenderView was never
     // created for the new window in cases where there is no referrer.
     PendingWindowMap::iterator it =
         GetOpener()->pending_new_windows_.find(this);
     if (it != GetOpener()->pending_new_windows_.end()) {
@@ skipping 909 matching lines @@
     bool allow,
     const std::string& user_input) {
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }