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.cc

@@ -11,6 +11,7 @@
 #undef LOG
 #include "config.h"
 MSVC_PUSH_WARNING_LEVEL(0);
+#include "Cache.h"
 #include "TextEncoding.h"
 #include "webkit/glue/webframe_impl.h"
 MSVC_POP_WARNING();
@@ -204,4 +205,11 @@ void SetCacheMode(bool enabled) {
   // Used in benchmarking,  Ignored for CEF.
 }
 
+void ClearCache()
+{
+  // Clear the cache by disabling it and then re-enabling it.
+  WebCore::cache()->setDisabled(true);
+  WebCore::cache()->setDisabled(false);
+}
+
 }  // namespace webkit_glue