PlzNavigate: AppCache support.

content/browser/appcache/appcache_interceptor.h

Index: content/browser/appcache/appcache_interceptor.h
diff --git a/content/browser/appcache/appcache_interceptor.h b/content/browser/appcache/appcache_interceptor.h
index 40581f209721f209b5c5cb02ef6d4b4abf001821..a650addfc9130f00b8d21245cbdc08512c51906a 100644
--- a/content/browser/appcache/appcache_interceptor.h
+++ b/content/browser/appcache/appcache_interceptor.h
@@ -19,6 +19,7 @@ class URLRequest;
 }
 
 namespace content {
+class AppCacheHost;
 class AppCacheRequestHandler;
 class AppCacheServiceImpl;
 class ResourceRequesterInfo;
@@ -35,6 +36,13 @@ class CONTENT_EXPORT AppCacheInterceptor : public net::URLRequestInterceptor {
                                   ResourceType resource_type,
                                   bool should_reset_appcache);
 
+  // PlzNavigate
+  // Must be called to make a request eligible for retrieval from an appcache.
+  static void SetExtraRequestInfoForHost(net::URLRequest* request,
+                                         AppCacheHost* host,
+                                         ResourceType resource_type,
+                                         bool should_reset_appcache);
+
   // May be called after response headers are complete to retrieve extra
   // info about the response.
   static void GetExtraResponseInfo(net::URLRequest* request,