Connects PostMessage() for OOPIFs

mandoline/tab/frame.h

 // Copyright 2015 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 MANDOLINE_TAB_FRAME_H_
 #define MANDOLINE_TAB_FRAME_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 85 matching lines @@
   double GatherProgress(int* frame_count) const;
 
  private:
   friend class FrameTree;
 
   // Initializes the client by sending it the state of the tree.
   void InitClient();
 
   void SetView(mojo::View* view);
 
+  // Returns the first ancestor (starting at |this|) that has a
+  // FrameTreeClient.
+  Frame* GetAncestorWithFrameTreeClient();
+
   // Adds this to |frames| and recurses through the children calling the
   // same function.
   void BuildFrameTree(std::vector<const Frame*>* frames) const;
 
   void Add(Frame* node);
   void Remove(Frame* node);
 
   // The implementation of the various FrameTreeServer functions that take
   // frame_id call into these.
   void LoadingStartedImpl();
@@ skipping 15 matching lines @@
                      uint32_t change_id);
   void NotifyClientPropertyChanged(const Frame* source,
                                    const mojo::String& name,
                                    const mojo::Array<uint8_t>& value);
 
   // mojo::ViewObserver:
   void OnTreeChanged(const TreeChangeParams& params) override;
   void OnViewDestroying(mojo::View* view) override;
 
   // FrameTreeServer:
-  void PostMessageEventToFrame(uint32_t frame_id,
-                               MessageEventPtr event) override;
+  void PostMessageEventToFrame(uint32_t source_frame_id,
+                               uint32_t target_frame_id,
+                               HTMLMessageEventPtr event) override;
   void LoadingStarted(uint32_t frame_id) override;
   void LoadingStopped(uint32_t frame_id) override;
   void ProgressChanged(uint32_t frame_id, double progress) override;
   void SetClientProperty(uint32_t frame_id,
                          const mojo::String& name,
                          mojo::Array<uint8_t> value) override;
   void OnCreatedFrame(
       uint32_t parent_id,
       uint32_t frame_id,
       mojo::Map<mojo::String, mojo::Array<uint8_t>> client_properties) override;
@@ skipping 20 matching lines @@
   ClientPropertyMap client_properties_;
 
   mojo::Binding<FrameTreeServer> frame_tree_server_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(Frame);
 };
 
 }  // namespace mandoline
 
 #endif  // MANDOLINE_TAB_FRAME_H_