PlzNavigate: properly execute BeforeUnload on renderer initiated navigations

content/browser/frame_host/render_frame_host_manager.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_RENDER_FRAME_HOST_MANAGER_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 250 matching lines @@
   WebUIImpl* GetNavigatingWebUI() const;
 
   // Called when we want to instruct the renderer to navigate to the given
   // navigation entry. It may create a new RenderFrameHost or re-use an existing
   // one. The RenderFrameHost to navigate will be returned. Returns NULL if one
   // could not be created. |dest_url| takes precedence over the |frame_entry|'s
   // url (this is necessary because ReloadOriginalRequest navigates to a
   // different URL than the last committed entry, without modifying it).
   RenderFrameHostImpl* Navigate(const GURL& dest_url,
                                 const FrameNavigationEntry& frame_entry,
-                                const NavigationEntryImpl& entry);
+                                const NavigationEntryImpl& entry,
+                                bool is_reload);
 
   // Instructs the various live views to stop. Called when the user directed the
   // page to stop loading.
   void Stop();
 
   // Notifies the regular and pending RenderViewHosts that a load is or is not
   // happening. Even though the message is only for one of them, we don't know
   // which one so we tell both.
   void SetIsLoading(bool is_loading);
 
@@ skipping 431 matching lines @@
       std::unique_ptr<RenderFrameHostImpl> render_frame_host);
 
   RenderFrameHostImpl* UpdateStateForNavigate(
       const GURL& dest_url,
       SiteInstance* source_instance,
       SiteInstance* dest_instance,
       ui::PageTransition transition,
       bool dest_is_restore,
       bool dest_is_view_source_mode,
       const GlobalRequestID& transferred_request_id,
-      int bindings);
+      int bindings,
+      bool is_reload);
 
   // Updates the pending WebUI of the current RenderFrameHost for a same-site
   // navigation.
   void UpdatePendingWebUIOnCurrentFrameHost(const GURL& dest_url,
                                             int entry_bindings);
 
   // Returns true if a subframe can navigate cross-process.
   bool CanSubframeSwapProcess(const GURL& dest_url,
                               SiteInstance* source_instance,
                               SiteInstance* dest_instance);
@@ skipping 58 matching lines @@
   std::unique_ptr<RenderFrameHostImpl> speculative_render_frame_host_;
 
   base::WeakPtrFactory<RenderFrameHostManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_