Make PrerenderTracker's resource_throttle_io_thread_map_ use RenderFrame IDs instead of RenderView …

content/child/request_extra_data.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_CHILD_REQUEST_EXTRA_DATA_H_
 #define CONTENT_CHILD_REQUEST_EXTRA_DATA_H_
 
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
 #include "content/public/common/page_transition_types.h"
+#include "third_party/WebKit/public/web/WebPageVisibilityState.h"
 #include "webkit/child/weburlrequest_extradata_impl.h"
 
 namespace content {
 
 // The RenderView stores an instance of this class in the "extra data" of each
 // ResourceRequest (see RenderFrameImpl::willSendRequest).
 class CONTENT_EXPORT RequestExtraData
     : NON_EXPORTED_BASE(public webkit_glue::WebURLRequestExtraDataImpl) {
  public:
   RequestExtraData(blink::WebReferrerPolicy referrer_policy,
+                   blink::WebPageVisibilityState visibility_state,
                    const blink::WebString& custom_user_agent,
                    bool was_after_preconnect_request,
                    int render_frame_id,
                    bool is_main_frame,
                    int64 frame_id,
                    const GURL& frame_origin,
                    bool parent_is_main_frame,
                    int64 parent_frame_id,
                    bool allow_download,
                    PageTransition transition_type,
                    bool should_replace_current_entry,
                    int transferred_request_child_id,
                    int transferred_request_request_id);
   virtual ~RequestExtraData();
 
+  blink::WebPageVisibilityState visibility_state() const {
+    return visibility_state_;
+  }
   int render_frame_id() const { return render_frame_id_; }
   bool is_main_frame() const { return is_main_frame_; }
   int64 frame_id() const { return frame_id_; }
   GURL frame_origin() const { return frame_origin_; }
   bool parent_is_main_frame() const { return parent_is_main_frame_; }
   int64 parent_frame_id() const { return parent_frame_id_; }
   bool allow_download() const { return allow_download_; }
   PageTransition transition_type() const { return transition_type_; }
   bool should_replace_current_entry() const {
     return should_replace_current_entry_;
   }
   int transferred_request_child_id() const {
     return transferred_request_child_id_;
   }
   int transferred_request_request_id() const {
     return transferred_request_request_id_;
   }
 
  private:
+  blink::WebPageVisibilityState visibility_state_;
   int render_frame_id_;
   bool is_main_frame_;
   int64 frame_id_;
   GURL frame_origin_;
   bool parent_is_main_frame_;
   int64 parent_frame_id_;
   bool allow_download_;
   PageTransition transition_type_;
   bool should_replace_current_entry_;
   int transferred_request_child_id_;
   int transferred_request_request_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_REQUEST_EXTRA_DATA_H_