Wire up process launch error codes.

content/browser/child_process_launcher_browsertest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "content/browser/child_process_launcher.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/shell/browser/shell.h"
 
 namespace {
 
 class MockChildProcessLauncherClient
     : public content::ChildProcessLauncher::Client {
  public:
   MockChildProcessLauncherClient()
       : client_(nullptr), simulate_failure_(false) {}
 
   void OnProcessLaunched() override {
     if (simulate_failure_)
-      client_->OnProcessLaunchFailed();
+      client_->OnProcessLaunchFailed(content::LAUNCH_RESULT_FAILURE);
     else
       client_->OnProcessLaunched();
   };
-  void OnProcessLaunchFailed() override { client_->OnProcessLaunchFailed(); };
+
+  void OnProcessLaunchFailed(int error_code) override {
+    client_->OnProcessLaunchFailed(error_code);
+  };
 
   content::ChildProcessLauncher::Client* client_;
   bool simulate_failure_;
 };
 
 }
 
 namespace content {
 
 class ChildProcessLauncherBrowserTest : public ContentBrowserTest {};
@@ skipping 43 matching lines @@
   TestNavigationObserver nav_observer3(window->web_contents(), 1);
   window->LoadURL(url);
   nav_observer3.Wait();
   last_entry = shell()->web_contents()->GetController().GetLastCommittedEntry();
   // Make sure that we navigated to the proper URL.
   CHECK(last_entry && last_entry->GetPageType() == PAGE_TYPE_NORMAL);
   CHECK(shell()->web_contents()->GetLastCommittedURL() == url);
 }
 
 }  // namespace content