Moved the following IPC messages used by the chrome NPAPI plugin installer out of content

content/renderer/webplugin_delegate_proxy.cc

Index: content/renderer/webplugin_delegate_proxy.cc
===================================================================
--- content/renderer/webplugin_delegate_proxy.cc	(revision 98657)
+++ content/renderer/webplugin_delegate_proxy.cc	(working copy)
@@ -413,10 +413,6 @@
   Send(new PluginMsg_DidManualLoadFail(instance_id_));
 }
 
-void WebPluginDelegateProxy::InstallMissingPlugin() {
-  Send(new PluginMsg_InstallMissingPlugin(instance_id_));
-}
-
 bool WebPluginDelegateProxy::OnMessageReceived(const IPC::Message& msg) {
   content::GetContentClient()->SetActiveURL(page_url_);
 
@@ -435,8 +431,6 @@
                         OnGetPluginElement)
     IPC_MESSAGE_HANDLER(PluginHostMsg_SetCookie, OnSetCookie)
     IPC_MESSAGE_HANDLER(PluginHostMsg_GetCookies, OnGetCookies)
-    IPC_MESSAGE_HANDLER(PluginHostMsg_MissingPluginStatus,
-                        OnMissingPluginStatus)
     IPC_MESSAGE_HANDLER(PluginHostMsg_URLRequest, OnHandleURLRequest)
     IPC_MESSAGE_HANDLER(PluginHostMsg_CancelDocumentLoad, OnCancelDocumentLoad)
     IPC_MESSAGE_HANDLER(PluginHostMsg_InitiateHTTPRangeRequest,
@@ -1129,11 +1123,6 @@
     *cookies = plugin_->GetCookies(url, first_party_for_cookies);
 }
 
-void WebPluginDelegateProxy::OnMissingPluginStatus(int status) {
-  if (render_view_)
-    render_view_->OnMissingPluginStatus(this, status);
-}
-
 void WebPluginDelegateProxy::PaintSadPlugin(WebKit::WebCanvas* native_context,
                                             const gfx::Rect& rect) {
   // Lazily load the sad plugin image.