Introduce a delegate to avoid hardcoding "chrome-extension" in net/.

net/base/network_delegate.h

Index: net/base/network_delegate.h
diff --git a/net/base/network_delegate.h b/net/base/network_delegate.h
index 2886d486d91ddf7797c914b0ea68fc1e7a27711d..03242c6e5a3583b884e9f4e96aa30967a63b4c48 100644
--- a/net/base/network_delegate.h
+++ b/net/base/network_delegate.h
@@ -85,6 +85,7 @@ class NetworkDelegate : public base::NonThreadSafe {
                     CookieOptions* options);
   bool CanAccessFile(const URLRequest& request,
                      const FilePath& path) const;
+  bool CanRejectRequest(const URLRequest& request) const;
 
  private:
   // This is the interface for subclasses of NetworkDelegate to implement. These
@@ -202,6 +203,10 @@ class NetworkDelegate : public base::NonThreadSafe {
   virtual bool OnCanAccessFile(const URLRequest& request,
                                const FilePath& path) const = 0;
 
+  // Returns true if the given request may be rejected when the
+  // URLRequestThrottlerManager believes the server servicing the
+  // request is overloaded or down.
+  virtual bool OnCanRejectRequest(const URLRequest& request) const = 0;

[eroman, 2012/06/06 04:52:11]

nit: Can the name have the name "throttle" in it somewhere? "Reject" request
seems a bit too generic, and makes me think of OnBeforeURLRequest(). Would
"OnCanThrottlerRejectRequest" or "OnCanThrottleRequest" work?

[Jói, 2012/06/06 13:38:55]

Switched naming to CanThrottleRequest / OnCanThrottleRequest.

 };
 
 }  // namespace net