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

content/browser/renderer_host/resource_handler.h

Index: content/browser/renderer_host/resource_handler.h
===================================================================
--- content/browser/renderer_host/resource_handler.h	(revision 111374)
+++ content/browser/renderer_host/resource_handler.h	(working copy)
@@ -17,14 +17,17 @@
 
 #include "content/public/browser/browser_thread.h"
 
+class GURL;
+
+namespace content {
+struct ResourceResponse;
+}
+
 namespace net {
 class IOBuffer;
 class URLRequestStatus;
 }  // namespace net
 
-struct ResourceResponse;
-class GURL;
-
 // The resource dispatcher host uses this interface to push load events to the
 // renderer, allowing for differences in the types of IPC messages generated.
 // See the implementations of this interface defined below.
@@ -41,12 +44,12 @@
   // false.  Set |*defer| to true to defer the redirect.  The redirect may be
   // followed later on via ResourceDispatcherHost::FollowDeferredRedirect.
   virtual bool OnRequestRedirected(int request_id, const GURL& url,
-                                   ResourceResponse* response,
+                                   content::ResourceResponse* response,
                                    bool* defer) = 0;
 
   // Response headers and meta data are available.
   virtual bool OnResponseStarted(int request_id,
-                                 ResourceResponse* response) = 0;
+                                 content::ResourceResponse* response) = 0;
 
   // Called before the net::URLRequest for |request_id| (whose url is |url|) is
   // to be started. If the handler returns false, then the request is cancelled.