Refactor the content setting view to allow a subclass for the web intents button.

chrome/browser/ui/views/location_bar/location_bar_view.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/views/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/stl_util.h"
@@ skipping 1096 matching lines @@
     view->SetBounds(
         leading ? bounds->x() : (bounds->right() - view_size.width()),
         view->y(), view_size.width(), view->height());
     bounds->set_width(bounds->width() - desired_width);
   }
 }
 
 void LocationBarView::RefreshContentSettingViews() {
   for (ContentSettingViews::const_iterator i(content_setting_views_.begin());
        i != content_setting_views_.end(); ++i) {
-    (*i)->UpdateFromWebContents(model_->input_in_progress() ? NULL :
-                                GetWebContentsFromDelegate(delegate_));
+    (*i)->Update(model_->input_in_progress() ? NULL : GetTabContents());
   }
 }
 
 void LocationBarView::DeletePageActionViews() {
   for (PageActionViews::const_iterator i(page_action_views_.begin());
        i != page_action_views_.end(); ++i)
     RemoveChildView(*i);
   STLDeleteElements(&page_action_views_);
 }
 
@@ skipping 396 matching lines @@
 }
 
 void LocationBarView::CleanupFadeAnimation() {
   // Since we're no longer animating we don't need our layer.
   SetPaintToLayer(false);
   // Bubble labels don't need a transparent background anymore.
   ev_bubble_view_->SetLabelBackgroundColor(SK_ColorWHITE);
   selected_keyword_view_->SetLabelBackgroundColor(SK_ColorWHITE);
 }
 #endif  // USE_AURA