libcef: Update due to underlying chromium changes.

- Database and AppCache changes.
- New cookie policy class.
- Add StdStringToWebString and WebStringToStdString to browser_webkit_glue.{h,cc} because webkit/glue/glue_util.{h,cc} have been deleted.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@71 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser_webkit_glue.h

@@ -12,6 +12,7 @@
 
 namespace WebKit {
 class WebFrame;
+class WebString;
 class WebView;
 }
 
@@ -38,4 +39,8 @@ v8::Handle<v8::Context> GetV8Context(WebKit::WebFrame* frame);
 // Clear all cached data.
 void ClearCache();
 
+WebKit::WebString StdStringToWebString(const std::string& str);
+
+std::string WebStringToStdString(const WebKit::WebString& str);
+
 }  // namespace webkit_glue