Adding MimeHandlerView.

chrome/renderer/browser_plugin/chrome_browser_plugin_delegate.h

+// Copyright 2014 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 CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_DELEGATE_H_
+#define CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_DELEGATE_H_
+
+#include "content/public/renderer/browser_plugin_delegate.h"
+
+#include "content/public/renderer/render_frame_observer.h"
+#include "ipc/ipc_listener.h"
+
+class ChromeBrowserPluginDelegate : public content::BrowserPluginDelegate,

[Fady Samuel, 2014/09/02 21:53:25]

Perhaps add a TODO here to move this to the extensions module?

[lazyboy, 2014/09/02 22:03:19]

Done.

+                                    public content::RenderFrameObserver {
+ public:
+  ChromeBrowserPluginDelegate(content::RenderFrame* render_frame,
+                              const std::string& mime_type);
+  virtual ~ChromeBrowserPluginDelegate();
+
+  // BrowserPluginDelegate implementation.
+  virtual void SetElementInstanceID(int element_instance_id) OVERRIDE;
+  virtual void DidFinishLoading() OVERRIDE;
+  virtual void DidReceiveData(const char* data, int data_length) OVERRIDE;
+
+  // RenderFrameObserver override.
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
+
+ private:
+  void OnCreateMimeHandlerViewGuestACK(int browser_plugin_delegate);
+
+  const std::string mime_type_;
+  int element_instance_id_;
+  std::string html_string_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserPluginDelegate);
+};
+
+#endif  // CHROME_RENDERER_BROWSER_PLUGIN_CHROME_BROWSER_PLUGIN_DELEGATE_H_