Get rid of synchronous calls to getting plugins to help with http://codereview.chromium.org/79800...

chrome/browser/pdf_unsupported_feature.cc

Index: chrome/browser/pdf_unsupported_feature.cc
===================================================================
--- chrome/browser/pdf_unsupported_feature.cc	(revision 102144)
+++ chrome/browser/pdf_unsupported_feature.cc	(working copy)
@@ -140,17 +140,11 @@
                      const WebPluginInfo& reader_plugin,
                      InfoBarDelegate* old_delegate,
                      InfoBarDelegate* new_delegate) {
-  WebPluginInfo plugin = reader_plugin;
-  // Give the plugin a new version so that the renderer doesn't show the blocked
-  // plugin UI if it's vulnerable, since we already went through the
-  // interstitial.
-  plugin.version = ASCIIToUTF16("11.0.0.0");
-
   ChromePluginServiceFilter::GetInstance()->OverridePluginForTab(
       tab->render_view_host()->process()->id(),
       tab->render_view_host()->routing_id(),
       tab->tab_contents()->GetURL(),
-      plugin);
+      ASCIIToUTF16(PluginGroup::kAdobeReaderGroupName));
   tab->render_view_host()->ReloadFrame();
 
   if (new_delegate) {