Update to Chromium revision 0bfd25d4 (#381305)

- Delete include/cef_runnable.h (issue #1336).
- Build the cef_unittests target using all Chromium headers. Add a
  USING_CHROMIUM_INCLUDES define and libcef_dll_wrapper_unittests
  target to support this. This change avoids compile errors due to
  the divergence of CEF and Chromium base/ header implementations.
  The libcef_dll_wrapper sources must now compile successfully with
  both CEF and Chromium base/ headers (issue #1632).
- The onbeforeunload message specified via JavaScript is no longer
  passed to the client (see http://crbug.com/587940).

libcef/renderer/plugins/cef_plugin_placeholder.cc

@@ -17,6 +17,7 @@
 #include "chrome/grit/generated_resources.h"
 #include "chrome/renderer/custom_menu_commands.h"
 #include "components/content_settings/content/common/content_settings_messages.h"
+#include "components/strings/grit/components_strings.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/renderer/render_frame.h"
@@ -178,7 +179,8 @@ void CefPluginPlaceholder::PluginListChanged() {
 
   CefViewHostMsg_GetPluginInfo_Output output;
   std::string mime_type(GetPluginParams().mimeType.utf8());
-  blink::WebString top_origin = GetFrame()->top()->securityOrigin().toString();
+  blink::WebString top_origin =
+      GetFrame()->top()->getSecurityOrigin().toString();
   render_frame()->Send(
       new CefViewHostMsg_GetPluginInfo(routing_id(),
                                           GURL(GetPluginParams().url),