Track pending WebContents and widgets by (process_id, routing_id) pair.

content/browser/frame_host/interstitial_page_impl.h

 // Copyright 2013 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_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 122 matching lines @@
       int32_t route_id,
       int32_t main_frame_route_id,
       int32_t main_frame_widget_route_id,
       const ViewHostMsg_CreateWindow_Params& params,
       SessionStorageNamespace* session_storage_namespace) override;
   void CreateNewWidget(int32_t render_process_id,
                        int32_t route_id,
                        blink::WebPopupType popup_type) override;
   void CreateNewFullscreenWidget(int32_t render_process_id,
                                  int32_t route_id) override;
-  void ShowCreatedWindow(int route_id,
+  void ShowCreatedWindow(int process_id,
+                         int route_id,
                          WindowOpenDisposition disposition,
                          const gfx::Rect& initial_rect,
                          bool user_gesture) override;
-  void ShowCreatedWidget(int route_id, const gfx::Rect& initial_rect) override;
-  void ShowCreatedFullscreenWidget(int route_id) override;
+  void ShowCreatedWidget(int process_id,
+                         int route_id,
+                         const gfx::Rect& initial_rect) override;
+  void ShowCreatedFullscreenWidget(int process_id, int route_id) override;
 
   SessionStorageNamespace* GetSessionStorageNamespace(
       SiteInstance* instance) override;
 
   FrameTree* GetFrameTree() override;
 
   // RenderWidgetHostDelegate implementation:
   void RenderWidgetDeleted(RenderWidgetHostImpl* render_widget_host) override;
   bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                               bool* is_keyboard_shortcut) override;
@@ skipping 138 matching lines @@
   scoped_refptr<SessionStorageNamespace> session_storage_namespace_;
 
   base::WeakPtrFactory<InterstitialPageImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InterstitialPageImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_