Remove all npapi plugins from windows metro chrome

Also remove pepflashplayer.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10408018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137828 0039d316-1c4b-4281-b951-d872f2087c98

webkit/plugins/npapi/plugin_list_win.cc

@@ -16,6 +16,7 @@
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
+#include "base/win/metro.h"
 #include "base/win/pe_image.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_handle.h"
@@ -344,7 +345,6 @@ bool PluginList::ShouldLoadPlugin(const webkit::WebPluginInfo& info,
           (plugin1 == kJavaDeploy2 && plugin2 == kJavaDeploy1)) {
         if (!IsNewerVersion(plugins[j].version, info.version))
           return false;  // We have loaded a plugin whose version is newer.
-
         (*plugin_groups)[i]->RemovePlugin(plugins[j].path);
         break;
       }
@@ -386,6 +386,15 @@ bool PluginList::ShouldLoadPlugin(const webkit::WebPluginInfo& info,
     }
   }
 
+  if (base::win::GetMetroModule()) {
+    // In metro mode we only allow internal (pepper) plugins except flash.
+    // TODO(cpu):remove this hack at some point in the future.
+    if (info.type == WebPluginInfo::PLUGIN_TYPE_NPAPI)
+      return false;
+    if (filename == L"pepflashplayer.dll")
+      return false;
+  }
+
   // Special WMP handling
 
   // If both the new and old WMP plugins exist, only load the new one.