Pepper: Simplify LaunchSelLdr error reporting.

components/nacl/renderer/ppb_nacl_private_impl.cc

 // Copyright 2013 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 "components/nacl/renderer/ppb_nacl_private_impl.h"
 
 #include <numeric>
 #include <string>
 #include <vector>
 
@@ skipping 238 matching lines @@
     user_data_ = NULL;
   }
 
   PPP_ManifestService manifest_service_;
   void* user_data_;
   DISALLOW_COPY_AND_ASSIGN(ManifestServiceProxy);
 };
 
 // Launch NaCl's sel_ldr process.
 void LaunchSelLdr(PP_Instance instance,
+                  PP_Bool main_service_runtime,
                   const char* alleged_url,
                   PP_Bool uses_irt,
                   PP_Bool uses_ppapi,
                   PP_Bool uses_nonsfi_mode,
                   PP_Bool enable_ppapi_dev,
                   PP_Bool enable_dyncode_syscalls,
                   PP_Bool enable_exception_handling,
                   PP_Bool enable_crash_throttling,
                   const PPP_ManifestService* manifest_service_interface,
                   void* manifest_service_user_data,
                   void* imc_handle,
-                  struct PP_Var* error_message,
                   PP_CompletionCallback callback) {
   CHECK(ppapi::PpapiGlobals::Get()->GetMainThreadMessageLoop()->
             BelongsToCurrentThread());
 
   // Create the manifest service proxy here, so on error case, it will be
   // destructed (without passing it to ManifestServiceChannel), and QUIT
   // will be called in its destructor so that the caller of this function
   // can free manifest_service_user_data properly.
   scoped_ptr<ManifestServiceChannel::Delegate> manifest_service_proxy(
       new ManifestServiceProxy(manifest_service_interface,
                                manifest_service_user_data));
 
   FileDescriptor result_socket;
   IPC::Sender* sender = content::RenderThread::Get();
   DCHECK(sender);
-  *error_message = PP_MakeUndefined();
   int routing_id = 0;
   // If the nexe uses ppapi APIs, we need a routing ID.
   // To get the routing ID, we must be on the main thread.
   // Some nexes do not use ppapi and launch from the background thread,
   // so those nexes can skip finding a routing_id.
   if (uses_ppapi) {
     routing_id = GetRoutingID(instance);
     if (!routing_id) {
       ppapi::PpapiGlobals::Get()->GetMainThreadMessageLoop()->PostTask(
           FROM_HERE,
@@ skipping 28 matching lines @@
                            PP_ToBool(enable_crash_throttling)),
           &launch_result,
           &error_message_string))) {
     ppapi::PpapiGlobals::Get()->GetMainThreadMessageLoop()->PostTask(
         FROM_HERE,
         base::Bind(callback.func, callback.user_data,
                    static_cast<int32_t>(PP_ERROR_FAILED)));
     return;
   }
   if (!error_message_string.empty()) {
-    *error_message = ppapi::StringVar::StringToPPVar(error_message_string);
+    if (PP_ToBool(main_service_runtime)) {
+      NexeLoadManager* load_manager = GetNexeLoadManager(instance);
+      if (load_manager) {
+        load_manager->ReportLoadError(PP_NACL_ERROR_SEL_LDR_LAUNCH,
+                                      "ServiceRuntime: failed to start",
+                                      error_message_string);
+      }
+    }
     ppapi::PpapiGlobals::Get()->GetMainThreadMessageLoop()->PostTask(
         FROM_HERE,
         base::Bind(callback.func, callback.user_data,
                    static_cast<int32_t>(PP_ERROR_FAILED)));
     return;
   }
   result_socket = launch_result.imc_channel_handle;
   instance_info.channel_handle = launch_result.ppapi_ipc_channel_handle;
   instance_info.plugin_pid = launch_result.plugin_pid;
   instance_info.plugin_child_id = launch_result.plugin_child_id;
@@ skipping 960 matching lines @@
   &PostMessageToJavaScript
 };
 
 }  // namespace
 
 const PPB_NaCl_Private* GetNaClPrivateInterface() {
   return &nacl_interface;
 }
 
 }  // namespace nacl