Refactoring: Moving the SafeJsonParser to its own component.

chrome/utility/chrome_content_utility_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/utility/chrome_content_utility_client.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
-#include "base/json/json_reader.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/safe_browsing/zip_analyzer.h"
 #include "chrome/common/safe_browsing/zip_analyzer_results.h"
 #include "chrome/utility/chrome_content_utility_ipc_whitelist.h"
+#include "chrome/utility/safe_json_parser_handler.h"
 #include "chrome/utility/utility_message_handler.h"
 #include "content/public/child/image_decoder_utils.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/service_registry.h"
 #include "content/public/utility/utility_thread.h"
 #include "courgette/courgette.h"
 #include "courgette/third_party/bsdiff.h"
 #include "ipc/ipc_channel.h"
 #include "skia/ext/image_operations.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 121 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kUtilityProcessEnableMDns)) {
     handlers_.push_back(new local_discovery::ServiceDiscoveryMessageHandler());
   }
 #endif
 
 #if defined(OS_WIN)
   handlers_.push_back(new ShellHandler());
   handlers_.push_back(new FontCacheHandler());
 #endif
+
+  handlers_.push_back(new SafeJsonParserHandler());
 }
 
 ChromeContentUtilityClient::~ChromeContentUtilityClient() {
 }
 
 void ChromeContentUtilityClient::UtilityThreadStarted() {
 #if defined(ENABLE_EXTENSIONS)
   extensions::UtilityHandler::UtilityThreadStarted();
 #endif
 
@@ skipping 12 matching lines @@
   if (filter_messages_ && !ContainsKey(message_id_whitelist_, message.type()))
     return false;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeContentUtilityClient, message)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImage, OnDecodeImage)
 #if defined(OS_CHROMEOS)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_RobustJPEGDecodeImage,
                         OnRobustJPEGDecodeImage)
 #endif  // defined(OS_CHROMEOS)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseJSON, OnParseJSON)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_PatchFileBsdiff,
                         OnPatchFileBsdiff)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_PatchFileCourgette,
                         OnPatchFileCourgette)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_StartupPing, OnStartupPing)
 #if defined(FULL_SAFE_BROWSING)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_AnalyzeZipFileForDownloadProtection,
                         OnAnalyzeZipFileForDownloadProtection)
 #endif
 #if defined(ENABLE_EXTENSIONS)
@@ skipping 162 matching lines @@
       Send(new ChromeUtilityHostMsg_DecodeImage_Succeeded(*decoded_image,
                                                           request_id));
     }
   } else {
     Send(new ChromeUtilityHostMsg_DecodeImage_Failed(request_id));
   }
   ReleaseProcessIfNeeded();
 }
 #endif  // defined(OS_CHROMEOS)
 
-void ChromeContentUtilityClient::OnParseJSON(const std::string& json) {
-  int error_code;
-  std::string error;
-  scoped_ptr<base::Value> value = base::JSONReader::ReadAndReturnError(
-      json, base::JSON_PARSE_RFC, &error_code, &error);
-  if (value) {
-    base::ListValue wrapper;
-    wrapper.Append(value.Pass());
-    Send(new ChromeUtilityHostMsg_ParseJSON_Succeeded(wrapper));
-  } else {
-    Send(new ChromeUtilityHostMsg_ParseJSON_Failed(error));
-  }
-  ReleaseProcessIfNeeded();
-}
-
 void ChromeContentUtilityClient::OnPatchFileBsdiff(
     const base::FilePath& input_file,
     const base::FilePath& patch_file,
     const base::FilePath& output_file) {
   if (input_file.empty() || patch_file.empty() || output_file.empty()) {
     Send(new ChromeUtilityHostMsg_PatchFile_Finished(-1));
   } else {
     const int patch_status = courgette::ApplyBinaryPatch(input_file,
                                                          patch_file,
                                                          output_file);
@@ skipping 44 matching lines @@
     const std::string& mime_type, int64 total_size, bool get_attached_images) {
   // Only one IPCDataSource may be created and added to the list of handlers.
   metadata::IPCDataSource* source = new metadata::IPCDataSource(total_size);
   handlers_.push_back(source);
 
   metadata::MediaMetadataParser* parser = new metadata::MediaMetadataParser(
       source, mime_type, get_attached_images);
   parser->Start(base::Bind(&FinishParseMediaMetadata, base::Owned(parser)));
 }
 #endif