Support file utilities and mime-related methods on workers.

chrome/renderer/renderer_webkitclient_impl.cc

 // Copyright (c) 2010 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/renderer/renderer_webkitclient_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "base/shared_memory.h"
@@ skipping 109 matching lines @@
   // The value is a string containing the correct font family.
   Lock unicode_font_families_mutex_;
   std::map<std::string, std::string> unicode_font_families_;
 #endif
 };
 
 //------------------------------------------------------------------------------
 
 RendererWebKitClientImpl::RendererWebKitClientImpl()
     : clipboard_(new webkit_glue::WebClipboardImpl),
-      file_utilities_(new RendererWebKitClientImpl::FileUtilities),
       mime_registry_(new RendererWebKitClientImpl::MimeRegistry),
       sandbox_support_(new RendererWebKitClientImpl::SandboxSupport),
       sudden_termination_disables_(0),
       shared_worker_repository_(new WebSharedWorkerRepositoryImpl) {
-  file_utilities_->set_sandbox_enabled(sandboxEnabled());
 }
 
 RendererWebKitClientImpl::~RendererWebKitClientImpl() {
 }
 
 //------------------------------------------------------------------------------
 
 WebKit::WebClipboard* RendererWebKitClientImpl::clipboard() {
   return clipboard_.get();
 }
 
 WebKit::WebMimeRegistry* RendererWebKitClientImpl::mimeRegistry() {
   return mime_registry_.get();
 }
 
 WebKit::WebFileUtilities* RendererWebKitClientImpl::fileUtilities() {
+  if (!file_utilities_.get()) {
+    file_utilities_.reset(new FileUtilities);
+    file_utilities_->set_sandbox_enabled(sandboxEnabled());
+  }
   return file_utilities_.get();
 }
 
 WebKit::WebSandboxSupport* RendererWebKitClientImpl::sandboxSupport() {
   return sandbox_support_.get();
 }
 
 WebKit::WebCookieJar* RendererWebKitClientImpl::cookieJar() {
   NOTREACHED() << "Use WebFrameClient::cookieJar() instead!";
   return NULL;
@@ skipping 357 matching lines @@
   return WebString::fromUTF8(signed_public_key);
 }
 
 //------------------------------------------------------------------------------
 
 WebBlobRegistry* RendererWebKitClientImpl::blobRegistry() {
   if (!blob_registry_.get())
     blob_registry_.reset(new WebBlobRegistryImpl(RenderThread::current()));
   return blob_registry_.get();
 }