Get rid of extensions dependency from content\browser.

chrome/browser/ui/gtk/tabs/tab_renderer_gtk.cc

 // Copyright (c) 2011 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/tabs/tab_renderer_gtk.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/defaults.h"
+#include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/gtk/bookmarks/bookmark_utils_gtk.h"
 #include "chrome/browser/ui/gtk/custom_button.h"
 #include "chrome/browser/ui/gtk/gtk_theme_service.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/common/notification_service.h"
 #include "grit/app_resources.h"
@@ skipping 263 matching lines @@
                                 bool app,
                                 bool loading_only) {
   DCHECK(contents);
   theme_service_ = GtkThemeService::GetFrom(contents->profile());
 
   if (!loading_only) {
     data_.title = contents->GetTitle();
     data_.incognito = contents->profile()->IsOffTheRecord();
     data_.crashed = contents->is_crashed();
 
-    SkBitmap* app_icon = contents->GetExtensionAppIcon();
+    SkBitmap* app_icon =
+        TabContentsWrapper::GetCurrentWrapperForContents(contents)->
+            extension_tab_helper()->GetExtensionAppIcon();
     if (app_icon)
       data_.favicon = *app_icon;
     else
       data_.favicon = contents->GetFavicon();
 
     data_.app = app;
     // This is kind of a hacky way to determine whether our icon is the default
     // favicon. But the plumbing that would be necessary to do it right would
     // be a good bit of work and would sully code for other platforms which
     // don't care to custom-theme the favicon. Hopefully the default favicon
@@ skipping 774 matching lines @@
 
   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
   const gfx::Font& base_font = rb.GetFont(ResourceBundle::BaseFont);
   title_font_ = new gfx::Font(base_font.GetFontName(), kFontPixelSize);
   title_font_height_ = title_font_->GetHeight();
 
   crashed_favicon = rb.GetBitmapNamed(IDR_SAD_FAVICON);
 
   initialized_ = true;
 }