Adds IDBKeyPath parser / extractor, and provides a mechanism to call it sandboxed.

chrome/browser/utility_process_host.cc

 // Copyright (c) 2009 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/utility_process_host.h"
 
 #include "app/app_switches.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/utility_messages.h"
 #include "ipc/ipc_switches.h"
 
 UtilityProcessHost::UtilityProcessHost(ResourceDispatcherHost* rdh,
                                        Client* client,
                                        ChromeThread::ID client_thread_id)
     : BrowserChildProcessHost(UTILITY_PROCESS, rdh),
       client_(client),
-      client_thread_id_(client_thread_id) {
+      client_thread_id_(client_thread_id),
+      is_batch_mode_(false) {
 }
 
 UtilityProcessHost::~UtilityProcessHost() {
+  DCHECK(!is_batch_mode_);
 }
 
 bool UtilityProcessHost::StartExtensionUnpacker(const FilePath& extension) {
   // Grant the subprocess access to the entire subdir the extension file is
   // in, so that it can unpack to that dir.
   if (!StartProcess(extension.DirName()))
     return false;
 
   Send(new UtilityMsg_UnpackExtension(extension));
   return true;
@@ skipping 17 matching lines @@
 
 bool UtilityProcessHost::StartImageDecoding(
     const std::vector<unsigned char>& encoded_data) {
   if (!StartProcess(FilePath()))
     return false;
 
   Send(new UtilityMsg_DecodeImage(encoded_data));
   return true;
 }
 
+bool UtilityProcessHost::StartIDBKeysFromValuesAndKeyPath(
+    int id, const std::vector<SerializedScriptValue>& serialized_values,
+    const string16& key_path)  {
+  if (!StartProcess(FilePath()))
+    return false;
+
+  Send(new UtilityMsg_IDBKeysFromValuesAndKeyPath(
+      id, serialized_values, key_path));
+  return true;
+}
+
+bool UtilityProcessHost::StartBatchMode()  {
+  CHECK(!is_batch_mode_);
+  is_batch_mode_ = StartProcess(FilePath());
+  Send(new UtilityMsg_BatchMode_Started());
+  return is_batch_mode_;
+}
+
+void UtilityProcessHost::EndBatchMode()  {
+  CHECK(is_batch_mode_);
+  is_batch_mode_ = false;
+  Send(new UtilityMsg_BatchMode_Finished());
+}
+
 FilePath UtilityProcessHost::GetUtilityProcessCmd() {
   return GetChildPath(true);
 }
 
 bool UtilityProcessHost::StartProcess(const FilePath& exposed_dir) {
+  if (is_batch_mode_)
+    return true;
   // Name must be set or metrics_service will crash in any test which
   // launches a UtilityProcessHost.
   set_name(L"utility process");
 
   if (!CreateChannel())
     return false;
 
   FilePath exe_path = GetUtilityProcessCmd();
   if (exe_path.empty()) {
     NOTREACHED() << "Unable to get utility process binary name.";
@@ skipping 75 matching lines @@
     IPC_MESSAGE_HANDLER(UtilityHostMsg_UnpackWebResource_Failed,
                         Client::OnUnpackWebResourceFailed)
     IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseUpdateManifest_Succeeded,
                         Client::OnParseUpdateManifestSucceeded)
     IPC_MESSAGE_HANDLER(UtilityHostMsg_ParseUpdateManifest_Failed,
                         Client::OnParseUpdateManifestFailed)
     IPC_MESSAGE_HANDLER(UtilityHostMsg_DecodeImage_Succeeded,
                         Client::OnDecodeImageSucceeded)
     IPC_MESSAGE_HANDLER(UtilityHostMsg_DecodeImage_Failed,
                         Client::OnDecodeImageFailed)
+    IPC_MESSAGE_HANDLER(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Succeeded,
+                        Client::OnIDBKeysFromValuesAndKeyPathSucceeded)
+    IPC_MESSAGE_HANDLER(UtilityHostMsg_IDBKeysFromValuesAndKeyPath_Failed,
+                        Client::OnIDBKeysFromValuesAndKeyPathFailed)
   IPC_END_MESSAGE_MAP_EX()
 }