Content Verification: Don't access UI-thread objects on the IO thread

extensions/browser/content_verifier_io_data.cc

Index: extensions/browser/content_verifier_io_data.cc
diff --git a/extensions/browser/content_verifier_io_data.cc b/extensions/browser/content_verifier_io_data.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e7974887b1883b6aa6e0f6dca3c4415160998d21
--- /dev/null
+++ b/extensions/browser/content_verifier_io_data.cc
@@ -0,0 +1,57 @@
+// 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 "extensions/browser/content_verifier_io_data.h"
+
+#include "content/public/browser/browser_thread.h"
+
+namespace extensions {
+
+ContentVerifierIOData::ExtensionData::ExtensionData(
+    const std::set<base::FilePath>& browser_image_paths,
+    const base::Version& version) {
+  this->browser_image_paths = browser_image_paths;
+  this->version = version;
+}
+
+ContentVerifierIOData::ContentVerifierIOData() {
+}
+
+ContentVerifierIOData::ExtensionData::~ExtensionData() {
+}
+
+ContentVerifierIOData::~ContentVerifierIOData() {
+}
+
+void ContentVerifierIOData::AddData(const std::string& extension_id,
+                                    scoped_ptr<ExtensionData> data) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
+  data_map_[extension_id] = linked_ptr<ExtensionData>(data.release());
+}
+
+void ContentVerifierIOData::RemoveData(const std::string& extension_id) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
+  std::map<std::string, linked_ptr<ExtensionData> >::iterator found =
+      data_map_.find(extension_id);
+  if (found != data_map_.end())
+    data_map_.erase(found);
+}
+
+void ContentVerifierIOData::Clear() {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
+  data_map_.clear();
+}
+
+const ContentVerifierIOData::ExtensionData* ContentVerifierIOData::GetData(
+    const std::string& extension_id) {
+  DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
+  std::map<std::string, linked_ptr<ExtensionData> >::iterator found =
+      data_map_.find(extension_id);
+  if (found != data_map_.end())
+    return found->second.get();
+  else
+    return NULL;
+}
+
+}  // namespace extensions