Merge revision 650 changes:

- Make sure BrowserRequestContextProxy is only used on the IO thread (issue #542).
- Windows: Reset the window procedure in the WebWidgetHost destructor to avoid crashes if messages are delivered after the window is destroyed.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1025@651 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser_request_context_proxy.h

@@ -7,15 +7,16 @@
 #pragma once
 
 #include <string>
+#include "include/cef_base.h"
 #include "net/url_request/url_request_context.h"
 
 class BrowserRequestContext;
 class CefBrowserImpl;
 
-// A basic URLRequestContext that only provides an in-memory cookie store.
+// A URLRequestContext implementation that proxies cookie requests to the
+// client.
 class BrowserRequestContextProxy : public net::URLRequestContext {
  public:
-  // Use an in-memory cache
   BrowserRequestContextProxy(BrowserRequestContext* context,
                              CefBrowserImpl* browser);
 
@@ -23,7 +24,7 @@ class BrowserRequestContextProxy : public net::URLRequestContext {
 
  private:
   BrowserRequestContext* context_;
-  CefBrowserImpl* browser_;
+  CefRefPtr<CefBrowserImpl> browser_;
 };
 
 #endif  // CEF_LIBCEF_BROWSER_REQUEST_CONTEXT_PROXY_H_