Use the new favicon resources below common/, delete the old assets

chrome/browser/task_manager/task_manager_worker_resource_provider.cc

Index: chrome/browser/task_manager/task_manager_worker_resource_provider.cc
diff --git a/chrome/browser/task_manager/task_manager_worker_resource_provider.cc b/chrome/browser/task_manager/task_manager_worker_resource_provider.cc
index d1044ceba41925ecfcabb81e04a963ac285d916b..514e0f3c3678364b8827c4743984d14e7f9ea6c6 100644
--- a/chrome/browser/task_manager/task_manager_worker_resource_provider.cc
+++ b/chrome/browser/task_manager/task_manager_worker_resource_provider.cc
@@ -110,7 +110,7 @@ string16 TaskManagerSharedWorkerResource::GetProfileName() const {
 gfx::ImageSkia TaskManagerSharedWorkerResource::GetIcon() const {
   if (!default_icon_) {
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-    default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGIN);
+    default_icon_ = rb.GetImageSkiaNamed(IDR_PLUGINS_FAVICON);
     // TODO(jabdelmalek): use different icon for web workers.
   }
   return *default_icon_;