Fix outstanding request stats for multiple transfer navigations.

content/browser/loader/resource_request_info_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 130 matching lines @@
   void set_is_download(bool download) { is_download_ = download; }
 
   // Whether this is a stream.
   bool is_stream() const { return is_stream_; }
   void set_is_stream(bool stream) { is_stream_ = stream; }
 
   void set_was_ignored_by_handler(bool value) {
     was_ignored_by_handler_ = value;
   }
 
+  // Whether this request has been counted towards the number of in flight
+  // requests, which is only true for requests that require a file descriptor
+  // for their shared memory buffer.
+  bool counted_as_in_flight_request() const {
+    return counted_as_in_flight_request_;
+  }
+  void set_counted_as_in_flight_request(bool was_counted) {
+    counted_as_in_flight_request_ = was_counted;
+  }
+
   // The approximate in-memory size (bytes) that we credited this request
   // as consuming in |outstanding_requests_memory_cost_map_|.
   int memory_cost() const { return memory_cost_; }
   void set_memory_cost(int cost) { memory_cost_ = cost; }
 
   bool is_load_timing_enabled() const { return enable_load_timing_; }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            DeletedFilterDetached);
@@ skipping 12 matching lines @@
   bool is_main_frame_;
   bool parent_is_main_frame_;
   int parent_render_frame_id_;
   bool should_replace_current_entry_;
   bool is_download_;
   bool is_stream_;
   bool allow_download_;
   bool has_user_gesture_;
   bool enable_load_timing_;
   bool was_ignored_by_handler_;
+  bool counted_as_in_flight_request_;
   ResourceType resource_type_;
   ui::PageTransition transition_type_;
   int memory_cost_;
   blink::WebReferrerPolicy referrer_policy_;
   blink::WebPageVisibilityState visibility_state_;
   ResourceContext* context_;
   // The filter might be deleted without deleting this object if the process
   // exits during a transfer.
   base::WeakPtr<ResourceMessageFilter> filter_;
   bool is_async_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceRequestInfoImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_