Update to Chromium revision ad468e8b (#292352).

- Building Chromium using SVN is no longer supported.
- Remove CefDOMEvent and CefDOMEventListener (issue #933).
- Remove CefRenderHandler::OnScrollOffsetChanged (http://crbug.com/404656).
- Remove UR_FLAG_REPORT_LOAD_TIMING (https://codereview.chromium.org/451623002/).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1816 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/common/cef_messages.h

@@ -202,28 +202,6 @@ IPC_MESSAGE_ROUTED1(CefHostMsg_ResponseAck,
                     int /* request_id */)
 
 
-// Pepper PDF plugin messages excerpted from chrome/common/render_messages.h.
-// Including all of render_messages.h would bring in a number of chrome
-// dependencies that are better off avoided.
-
-// The currently displayed PDF has an unsupported feature.
-IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_PDFHasUnsupportedFeature)
-
-// Brings up SaveAs... dialog to save specified URL.
-IPC_MESSAGE_ROUTED2(ChromeViewHostMsg_PDFSaveURLAs,
-                    GURL /* url */,
-                    content::Referrer /* referrer */)
-
-// Updates the content restrictions, i.e. to disable print/copy.
-IPC_MESSAGE_ROUTED1(ChromeViewHostMsg_PDFUpdateContentRestrictions,
-                    int /* restrictions */)
-
-// Brings up a Password... dialog for protected documents.
-IPC_SYNC_MESSAGE_ROUTED1_1(ChromeViewHostMsg_PDFModalPromptForPassword,
-                           std::string /* prompt */,
-                           std::string /* actual_value */)
-
-
 // Singly-included section for struct and custom IPC traits.
 #ifndef CEF_LIBCEF_COMMON_CEF_MESSAGES_H_
 #define CEF_LIBCEF_COMMON_CEF_MESSAGES_H_