Introduce content::PageState

content/public/common/page_state.h

Index: content/public/common/page_state.h
diff --git a/content/public/common/page_state.h b/content/public/common/page_state.h
new file mode 100644
index 0000000000000000000000000000000000000000..701bf9f0bbeaecc47cddd24c87f4fabe6ea60444
--- /dev/null
+++ b/content/public/common/page_state.h
@@ -0,0 +1,58 @@
+// Copyright (c) 2013 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.
+
+#ifndef CONTENT_PUBLIC_COMMON_PAGE_STATE_H_
+#define CONTENT_PUBLIC_COMMON_PAGE_STATE_H_
+
+#include <string>
+#include <vector>
+
+#include "content/common/content_export.h"
+
+class GURL;
+
+namespace base {
+class FilePath;
+}
+
+namespace content {
+
+class CONTENT_EXPORT PageState {
+ public:
+  static PageState CreateFromEncodedData(const std::string& data);
+  static PageState CreateFromURL(const GURL& url);
+
+  static PageState CreateForTesting(
+      const GURL& url,
+      bool body_contains_password_data,
+      const char* optional_body_data,
+      const base::FilePath* optional_body_file_path);
+
+  PageState();
+
+  bool IsValid() const;
+  bool Equals(const PageState& page_state) const;
+  const std::string& ToEncodedData() const;
+
+  std::vector<base::FilePath> GetReferencedFiles() const;
+  PageState RemovePasswordData() const;
+  PageState RemoveScrollOffset() const;
+
+ private:
+  PageState(const std::string& data);
+
+  std::string data_;
+};

[tfarina, 2013/05/16 22:16:48]

DISALLOW_COPY_AND_ASSIGN?

+
+// Support DCHECK_EQ(a, b), etc.
+inline bool operator==(const PageState& a, const PageState& b) {
+  return a.Equals(b);
+}
+inline bool operator!=(const PageState& a, const PageState& b) {
+  return !(a == b);
+}
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_PAGE_STATE_H_