Proxy private UMA pepper interface for out-of-process and NaCl plugins.

chrome/renderer/pepper/chrome_renderer_pepper_host_factory.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/pepper/chrome_renderer_pepper_host_factory.h"
 
 #include "base/logging.h"
 #include "chrome/renderer/pepper/pepper_extensions_common_host.h"
 #include "chrome/renderer/pepper/pepper_flash_drm_renderer_host.h"
 #include "chrome/renderer/pepper/pepper_flash_font_file_host.h"
 #include "chrome/renderer/pepper/pepper_flash_fullscreen_host.h"
 #include "chrome/renderer/pepper/pepper_flash_menu_host.h"
 #include "chrome/renderer/pepper/pepper_flash_renderer_host.h"
 #include "chrome/renderer/pepper/pepper_pdf_host.h"
+#include "chrome/renderer/pepper/pepper_uma_host.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "ppapi/host/ppapi_host.h"
 #include "ppapi/host/resource_host.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/proxy/ppapi_message_utils.h"
 #include "ppapi/shared_impl/ppapi_permissions.h"
 
 using ppapi::host::ResourceHost;
 
 ChromeRendererPepperHostFactory::ChromeRendererPepperHostFactory(
@@ skipping 77 matching lines @@
   if (host_->GetPpapiHost()->permissions().HasPermission(
       ppapi::PERMISSION_PRIVATE)) {
     switch (message.type()) {
       case PpapiHostMsg_PDF_Create::ID: {
         return scoped_ptr<ResourceHost>(new PepperPDFHost(
             host_, instance, params.pp_resource()));
       }
     }
   }
 
+  // Permissions for the following interfaces will be checked at the
+  // time of the corresponding instance's method calls.  Currently these
+  // interfaces are available only for whitelisted apps which may not have
+  // access to the other private interfaces.
+  switch (message.type()) {
+    case PpapiHostMsg_UMA_Create::ID: {
+      return scoped_ptr<ResourceHost>(new PepperUMAHost(
+          host_, instance, params.pp_resource()));
+    }
+  }
+
   return scoped_ptr<ResourceHost>();
 }