disable pnacl by default

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 5746899b4ac79d564e671e7ac0381bae32cc9011..af9ed180549439c27553489b1a6c9de4a3daf3ff 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -578,13 +578,12 @@ WebPlugin* ChromeContentRendererClient::CreatePlugin(
       case ChromeViewHostMsg_GetPluginInfo_Status::kAllowed: {
         const char* kPnaclMimeType = "application/x-pnacl";
         if (actual_mime_type == kPnaclMimeType) {
-          if (CommandLine::ForCurrentProcess()->HasSwitch(
-                  switches::kDisablePnacl)) {
+          if (!CommandLine::ForCurrentProcess()->HasSwitch(
+                  switches::kEnablePnacl)) {
             frame->addMessageToConsole(
                 WebConsoleMessage(
                     WebConsoleMessage::LevelError,
-                    "Portable Native Client must not be disabled in"
-                    " about:flags."));
+                    "Portable Native Client must be enabled in about:flags."));
             placeholder = PluginPlaceholder::CreateBlockedPlugin(
                 render_view, frame, params, plugin, identifier, group_name,
                 IDR_BLOCKED_PLUGIN_HTML,