IPC fuzzer child process component

chrome/browser/chrome_content_browser_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/browser/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 1325 matching lines @@
   if (logging::DialogsAreSuppressed())
     command_line->AppendSwitch(switches::kNoErrorDialogs);
 
   std::string process_type =
       command_line->GetSwitchValueASCII(switches::kProcessType);
   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
 
   if (browser_command_line.HasSwitch(switches::kChromeFrame))
     command_line->AppendSwitch(switches::kChromeFrame);
 
+#if defined(ENABLE_IPC_FUZZER)
+  command_line->CopySwitchFrom(browser_command_line,
+                               switches::kIpcFuzzerTestcase);
+#endif
+
   if (process_type == switches::kRendererProcess) {
     base::FilePath user_data_dir =
         browser_command_line.GetSwitchValuePath(switches::kUserDataDir);
     if (!user_data_dir.empty())
       command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
 #if defined(OS_CHROMEOS)
     const std::string& login_profile =
         browser_command_line.GetSwitchValueASCII(
             chromeos::switches::kLoginProfile);
     if (!login_profile.empty())
@@ skipping 1069 matching lines @@
           external_mount_points,
           fileapi::ExternalMountPoints::GetSystemInstance());
   backend->AddSystemMountPoints();
   DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
   additional_backends->push_back(backend);
 #endif
 
   additional_backends->push_back(new sync_file_system::SyncFileSystemBackend());
 }
 
+bool ChromeContentBrowserClient::ShouldKillChildProcessOnBadMessage() {
+#if defined(ENABLE_IPC_FUZZER)
+  // Don't kill the IPC fuzzer process, if it sends a bad message.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kIpcFuzzerTestcase))
+    return false;
+#endif
+
+  return true;
+}
+
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
     const CommandLine& command_line,
     int child_process_id,
     std::vector<FileDescriptorInfo>* mappings) {
 #if defined(OS_ANDROID)
   base::FilePath data_path;
   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
   DCHECK(!data_path.empty());
 
@@ skipping 79 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return chrome::NewCryptoModuleBlockingDialogDelegate(
       chrome::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome