Correctly handle extensions width in the GTK extension shelf.

chrome/browser/extensions/extension_host.cc

 // Copyright (c) 2006-2009 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/extensions/extension_host.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser.h"
@@ skipping 160 matching lines @@
     view_->RecoverCrashedExtension();
   } else {
     CreateRenderView(NULL);
   }
 #else
   CreateRenderView(NULL);
 #endif
 }
 
 void ExtensionHost::UpdatePreferredWidth(int pref_width) {
-#if defined(OS_WIN)
+#if defined(TOOLKIT_VIEWS) || defined(OS_LINUX)
   if (view_.get())
-    view_->DidContentsPreferredWidthChange(pref_width);
+    view_->UpdatePreferredWidth(pref_width);
 #endif
 }
 
 void ExtensionHost::RenderViewGone(RenderViewHost* render_view_host) {
   DCHECK_EQ(render_view_host_, render_view_host);
   Browser* browser = GetBrowser();
   if (browser) {
     TabContents* current_tab = browser->GetSelectedTabContents();
     if (current_tab) {
       current_tab->AddInfoBar(
@@ skipping 186 matching lines @@
   // a toolstrip or background_page onload chrome.tabs api call can make it
   // into here before the browser is sufficiently initialized to return here.
   // A similar situation may arise during shutdown.
   // TODO(rafaelw): Delay creation of background_page until the browser
   // is available. http://code.google.com/p/chromium/issues/detail?id=13284
   return browser;
 }
 
 void ExtensionHost::RenderViewCreated(RenderViewHost* render_view_host) {
 }