Enable PNaCl by default (revert disabling CL)

chrome/renderer/chrome_content_renderer_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
@@ skipping 556 matching lines @@
 #endif
 
     switch (status_value) {
       case ChromeViewHostMsg_GetPluginInfo_Status::kNotFound: {
         NOTREACHED();
         break;
       }
       case ChromeViewHostMsg_GetPluginInfo_Status::kAllowed: {
         const char* kPnaclMimeType = "application/x-pnacl";
         if (actual_mime_type == kPnaclMimeType) {
-          if (!CommandLine::ForCurrentProcess()->HasSwitch(
-                  switches::kEnablePnacl)) {
+          if (CommandLine::ForCurrentProcess()->HasSwitch(
+                  switches::kDisablePnacl)) {
             frame->addMessageToConsole(
                 WebConsoleMessage(
                     WebConsoleMessage::LevelError,
-                    "Portable Native Client must be enabled in about:flags."));
+                    "Portable Native Client must not be disabled in"
+                    " about:flags."));
             placeholder = PluginPlaceholder::CreateBlockedPlugin(
                 render_view, frame, params, plugin, identifier, group_name,
                 IDR_BLOCKED_PLUGIN_HTML,
 #if defined(OS_CHROMEOS)
                 l10n_util::GetStringUTF16(IDS_NACL_PLUGIN_BLOCKED));
 #else
                 l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
 #endif
               break;
           }
@@ skipping 700 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnablePepperTesting)) {
     return true;
   }
 #endif  // !defined(OS_ANDROID)
   return false;
 }
 
 
 }  // namespace chrome