Revert 134620 - Show a replacement plug-in for loading errors.

content/renderer/pepper/pepper_plugin_delegate_impl.cc

Index: content/renderer/pepper/pepper_plugin_delegate_impl.cc
===================================================================
--- content/renderer/pepper/pepper_plugin_delegate_impl.cc	(revision 134628)
+++ content/renderer/pepper/pepper_plugin_delegate_impl.cc	(working copy)
@@ -549,12 +549,6 @@
   return GetContentClient()->renderer()->GetSadPluginBitmap();
 }
 
-WebKit::WebPlugin* PepperPluginDelegateImpl::CreatePluginReplacement(
-    const FilePath& file_path) {
-  return GetContentClient()->renderer()->CreatePluginReplacement(
-      render_view_, file_path);
-}
-
 webkit::ppapi::PluginDelegate::PlatformImage2D*
 PepperPluginDelegateImpl::CreateImage2D(int width, int height) {
   return PepperPlatformImage2DImpl::Create(width, height);