Add Java wrapper for RenderFrameHost

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 "base/supports_user_data.h"
 #include "build/build_config.h"
 #include "content/common/content_export.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 "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
@@ skipping 18 matching lines @@
 class RenderViewHost;
 class RenderWidgetHostView;
 class SiteInstance;
 struct FileChooserFileInfo;
 struct FormFieldData;
 
 using FormFieldDataCallback = base::Callback<void(const FormFieldData&)>;
 
 // The interface provides a communication conduit with a frame in the renderer.
 class CONTENT_EXPORT RenderFrameHost : public IPC::Listener,
-                                       public IPC::Sender {
+                                       public IPC::Sender,
+                                       public base::SupportsUserData {

[boliu, 2017/02/15 02:12:51]

can this be on the impl class?

[rwlbuis, 2017/02/15 22:08:49]

Done.

  public:
   // Returns the RenderFrameHost given its ID and the ID of its render process.
   // Returns nullptr if the IDs do not correspond to a live RenderFrameHost.
   static RenderFrameHost* FromID(int render_process_id, int render_frame_id);
 
 #if defined(OS_ANDROID)
   // Globally allows for injecting JavaScript into the main world. This feature
   // is present only to support Android WebView and must not be used in other
   // configurations.
   static void AllowInjectingJavaScriptForAndroidWebView();
@@ skipping 172 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderFrameHostImpl;
   RenderFrameHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_FRAME_HOST_H_