libcef:

- Fix a leak of CachedResource objects due to the Cache never being cleared (issue #15).
- Fix a crash when the main application exits while popup windows exist due to a race condition when deleting CefBrowser objects.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@49 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser_webkit_glue.h

@@ -35,4 +35,7 @@ base::StringPiece NetResourceProvider(int key);
 // Retrieve the V8 context associated with the frame.
 v8::Handle<v8::Context> GetV8Context(WebKit::WebFrame* frame);
 
+// Clear all cached data.
+void ClearCache();
+
 }  // namespace webkit_glue