Adds routed interface support between RenderFrameHost and RenderFrame

content/public/browser/render_frame_host.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_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/render_process_host.h"
 #include "content/public/common/console_message_level.h"
 #include "content/public/common/file_chooser_params.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
+#include "mojo/public/cpp/bindings/associated_interface_ptr.h"
+#include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 namespace base {
 class Value;
 }
 
 namespace shell {
 class InterfaceRegistry;
 class InterfaceProvider;
 }
 
 namespace content {
-class RenderProcessHost;
 class RenderViewHost;
 class RenderWidgetHostView;
 class SiteInstance;
 struct FileChooserFileInfo;
 
 // The interface provides a communication conduit with a frame in the renderer.
 class CONTENT_EXPORT RenderFrameHost : public IPC::Listener,
                                        public IPC::Sender {
  public:
   // Returns the RenderFrameHost given its ID and the ID of its render process.
@@ skipping 140 matching lines @@
   virtual RenderViewHost* GetRenderViewHost() = 0;
 
   // Returns the InterfaceRegistry that this process uses to expose interfaces
   // to the application running in this frame.
   virtual shell::InterfaceRegistry* GetInterfaceRegistry() = 0;
 
   // Returns the InterfaceProvider that this process can use to bind
   // interfaces exposed to it by the application running in this frame.
   virtual shell::InterfaceProvider* GetRemoteInterfaces() = 0;
 
+  using RoutedInterfaceFactory =
+      base::Callback<void(mojo::ScopedInterfaceEndpointHandle)>;
+
+  // Adds an associated interface factory to this host, allowing the remote
+  // RenderFrame to acquire a proxy to the interface on this specific host.
+  virtual void AddRoutedInterface(const base::StringPiece& name,
+                                  const RoutedInterfaceFactory& factory) = 0;
+
+  virtual void RemoveRoutedInterface(const base::StringPiece& name) = 0;
+
+  // Binds an interface proxy to be associated with the remote RenderFrame in
+  // the render process.
+  virtual void GetRemoteRoutedInterface(
+      const base::StringPiece& name,
+      mojo::ScopedInterfaceEndpointHandle handle) = 0;
+
   // Returns the visibility state of the frame. The different visibility states
   // of a frame are defined in Blink.
   virtual blink::WebPageVisibilityState GetVisibilityState() = 0;
 
   // Returns whether the RenderFrame in the renderer process has been created
   // and still has a connection.  This is valid for all frames.
   virtual bool IsRenderFrameLive() = 0;
 
   // Get the number of proxies to this frame, in all processes. Exposed for
   // use by resource metrics.
   virtual int GetProxyCount() = 0;
 
   // Notifies the Listener that one or more files have been chosen by the user
   // from a file chooser dialog for the form. |permissions| is the file
   // selection mode in which the chooser dialog was created.
   virtual void FilesSelectedInChooser(
       const std::vector<content::FileChooserFileInfo>& files,
       FileChooserParams::Mode permissions) = 0;
 
   // Text surrounding selection.
   typedef base::Callback<
       void(const base::string16& content, int start_offset, int end_offset)>
       TextSurroundingSelectionCallback;
   virtual void RequestTextSurroundingSelection(
       const TextSurroundingSelectionCallback& callback,
       int max_length) = 0;
 
+  template <typename Interface>
+  void GetRemoteRoutedInterface(
+      mojo::AssociatedInterfacePtr<Interface>* proxy) {
+    mojo::AssociatedInterfaceRequest<Interface> request =
+        mojo::GetProxy(proxy, GetProcess()->GetRoutedInterfaceGroup());
+    GetRemoteRoutedInterface(Interface::Name_, request.PassHandle());
+  }
+
  private:
   // This interface should only be implemented inside content.
   friend class RenderFrameHostImpl;
   RenderFrameHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_