Refactor GuestViewContainer to split out WebView related logic and MimeHandlerView related logic.

extensions/shell/renderer/shell_content_renderer_client.cc

 // 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.
 
 #include "extensions/shell/renderer/shell_content_renderer_client.h"
 
+#include "content/public/common/content_constants.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
 #include "content/public/renderer/render_thread.h"
 #include "extensions/common/extensions_client.h"
 #include "extensions/renderer/default_dispatcher_delegate.h"
 #include "extensions/renderer/dispatcher.h"
 #include "extensions/renderer/extension_helper.h"
-#include "extensions/renderer/guest_view/guest_view_container.h"
+#include "extensions/renderer/guest_view/extensions_guest_view_container.h"
+#include "extensions/renderer/guest_view/mime_handler_view_container.h"
 #include "extensions/shell/common/shell_extensions_client.h"
 #include "extensions/shell/renderer/shell_extensions_renderer_client.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 
 #if !defined(DISABLE_NACL)
 #include "components/nacl/common/nacl_constants.h"
 #include "components/nacl/renderer/nacl_helper.h"
 #include "components/nacl/renderer/ppb_nacl_private_impl.h"
 #include "ppapi/c/private/ppb_nacl_private.h"
 #endif
@@ skipping 145 matching lines @@
 
 bool ShellContentRendererClient::ShouldEnableSiteIsolationPolicy() const {
   // Extension renderers don't need site isolation.
   return false;
 }
 
 content::BrowserPluginDelegate*
 ShellContentRendererClient::CreateBrowserPluginDelegate(
     content::RenderFrame* render_frame,
     const std::string& mime_type) {
-  return new extensions::GuestViewContainer(render_frame, mime_type);
+  if (mime_type == content::kBrowserPluginMimeType)
+    return new extensions::ExtensionsGuestViewContainer(render_frame);
+  else
+    return new extensions::MimeHandlerViewContainer(render_frame, mime_type);
 }
 
 }  // namespace extensions