PlzNavigate: Implement RequestNavigation on the renderer side

content/browser/frame_host/render_frame_host_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_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 39 matching lines @@
 class FrameTree;
 class FrameTreeNode;
 class RenderFrameHostDelegate;
 class RenderFrameProxyHost;
 class RenderProcessHost;
 class RenderViewHostImpl;
 class RenderWidgetHostImpl;
 class StreamHandle;
 class TimeoutMonitor;
 struct CommitNavigationParams;
+struct CommonNavigationParams;
 struct ContextMenuParams;
-struct CommonNavigationParams;
 struct GlobalRequestID;
 struct Referrer;
 struct RequestNavigationParams;
 struct ResourceResponse;
 struct ShowDesktopNotificationHostMsgParams;
 struct TransitionLayerData;
 
 class CONTENT_EXPORT RenderFrameHostImpl
     : public RenderFrameHost,
       public BrowserAccessibilityDelegate {
@@ skipping 268 matching lines @@
   gfx::NativeViewAccessible GetParentNativeViewAccessible() const;
 #elif defined(OS_MACOSX)
   // Select popup menu related methods (for external popup menus).
   void DidSelectPopupMenuItem(int selected_index);
   void DidCancelPopupMenu();
 #elif defined(OS_ANDROID)
   void DidSelectPopupMenuItems(const std::vector<int>& selected_indices);
   void DidCancelPopupMenu();
 #endif
 
+  // PlzNavigate
+  // Tells the renderer that there is a navigation request. The renderer should
+  // execute its beforeunload event and confirm the navigation by sending a
+  // FrameHostMsg_BeginNavigation to the browser.
+  void RequestNavigation(const CommonNavigationParams& common_params,
+                         const RequestNavigationParams& request_params);
+
   // PlzNavigate: Indicates that a navigation is ready to commit and can be
   // handled by this RenderFrame.
   void CommitNavigation(ResourceResponse* response,
                         scoped_ptr<StreamHandle> body,
                         const CommonNavigationParams& common_params,
                         const CommitNavigationParams& commit_params);
 
  protected:
   friend class RenderFrameHostFactory;
 
@@ skipping 203 matching lines @@
 
   // NOTE: This must be the last member.
   base::WeakPtrFactory<RenderFrameHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_