- Pass SSL certificate information to CefRequestHandler::OnCertificateError via a new CefSSLInfo interface (issue #1530).

- cefclient: Improve error message text and use a data: URI instead of LoadString for loading error messages (issue #579).
- Add functions in cef_url.h for base64 and URI encoding/decoding (issue #579).

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/2272@2029 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

include/internal/cef_types.h

@@ -1927,6 +1927,57 @@ typedef struct _cef_cursor_info_t {
   cef_size_t size;
 } cef_cursor_info_t;
 
+///
+// URI unescape rules passed to CefURIDecode().
+///
+typedef enum {
+  ///
+  // Don't unescape anything at all.
+  ///
+  UU_NONE = 0,
+
+  ///
+  // Don't unescape anything special, but all normal unescaping will happen.
+  // This is a placeholder and can't be combined with other flags (since it's
+  // just the absence of them). All other unescape rules imply "normal" in
+  // addition to their special meaning. Things like escaped letters, digits,
+  // and most symbols will get unescaped with this mode.
+  ///
+  UU_NORMAL = 1,
+
+  ///
+  // Convert %20 to spaces. In some places where we're showing URLs, we may
+  // want this. In places where the URL may be copied and pasted out, then
+  // you wouldn't want this since it might not be interpreted in one piece
+  // by other applications.
+  ///
+  UU_SPACES = 2,
+
+  ///
+  // Unescapes various characters that will change the meaning of URLs,
+  // including '%', '+', '&', '/', '#'. If we unescaped these characters, the
+  // resulting URL won't be the same as the source one. This flag is used when
+  // generating final output like filenames for URLs where we won't be
+  // interpreting as a URL and want to do as much unescaping as possible.
+  ///
+  UU_URL_SPECIAL_CHARS = 4,
+
+  ///
+  // Unescapes control characters such as %01. This INCLUDES NULLs. This is
+  // used for rare cases such as data: URL decoding where the result is binary
+  // data. This flag also unescapes BiDi control characters.
+  //
+  // DO NOT use CONTROL_CHARS if the URL is going to be displayed in the UI
+  // for security reasons.
+  ///
+  UU_CONTROL_CHARS = 8,
+
+  ///
+  // URL queries use "+" for space. This flag controls that replacement.
+  ///
+  UU_REPLACE_PLUS_WITH_SPACE = 16,
+} cef_uri_unescape_rule_t;
+
 #ifdef __cplusplus
 }
 #endif