[Web Intents] Display throbber when loading inline disposition.

chrome/browser/ui/gtk/web_intent_picker_gtk.cc

 // Copyright (c) 2012 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/ui/gtk/web_intent_picker_gtk.h"
 
 #include <algorithm>
 
 #include "base/i18n/rtl.h"
 #include "base/utf_string_conversions.h"
@@ skipping 174 matching lines @@
 void WebIntentPickerGtk::OnExtensionIconChanged(WebIntentPickerModel* model,
                                                 const string16& extension_id) {
   UpdateSuggestedExtensions();
 }
 
 void WebIntentPickerGtk::OnInlineDisposition(WebIntentPickerModel* model,
                                              const GURL& url) {
   content::WebContents* web_contents = content::WebContents::Create(
       browser_->profile(), NULL, MSG_ROUTING_NONE, NULL, NULL);
   inline_disposition_tab_contents_.reset(new TabContentsWrapper(web_contents));
-  inline_disposition_delegate_.reset(new WebIntentInlineDispositionDelegate);
+  inline_disposition_delegate_.reset(
+      new WebIntentInlineDispositionDelegate(this));
   web_contents->SetDelegate(inline_disposition_delegate_.get());
 
   // Must call this immediately after WebContents creation to avoid race
   // with load.
   delegate_->OnInlineDispositionWebContentsCreated(web_contents);
 
   tab_contents_container_.reset(new TabContentsContainerGtk(NULL));
   tab_contents_container_->SetTab(inline_disposition_tab_contents_.get());
 
   inline_disposition_tab_contents_->web_contents()->GetController().LoadURL(
@@ skipping 356 matching lines @@
   for (int i = 0; i < 5; ++i) {
     gtk_box_pack_start(
         GTK_BOX(hbox),
         gtk_image_new_from_pixbuf(rb.GetRTLEnabledPixbufNamed(
             WebIntentPicker::GetNthStarImageIdFromCWSRating(rating, i))),
         FALSE, FALSE, 0);
   }
 
   return hbox;
 }