Move ResourceResponse struct into the Content API, since it's used in Chrome. While at it, I also...

chrome/browser/net/load_timing_observer.h

Index: chrome/browser/net/load_timing_observer.h
===================================================================
--- chrome/browser/net/load_timing_observer.h	(revision 111374)
+++ chrome/browser/net/load_timing_observer.h	(working copy)
@@ -13,12 +13,14 @@
 #include "net/base/net_log.h"
 #include "webkit/glue/resource_loader_bridge.h"
 
+namespace content {
+struct ResourceResponse;
+}
+
 namespace net {
 class URLRequest;
 }  // namespace net
 
-struct ResourceResponse;
-
 // LoadTimingObserver watches the NetLog event stream and collects the network
 // timing information.
 //
@@ -72,7 +74,7 @@
                           net::NetLog::EventParameters* params) OVERRIDE;
 
   static void PopulateTimingInfo(net::URLRequest* request,
-                                 ResourceResponse* response);
+                                 content::ResourceResponse* response);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(LoadTimingObserverTest,