second stage

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index 93281bfa9bdd022a48a26d137f50d11df7ea897d..d1b2cfcbfc450207eaf42f3d92f0276ebc2af977 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -136,6 +136,7 @@
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLinkElement.h"
+#include "core/html/HTMLPlugInElement.h"
 #include "core/html/PluginDocument.h"
 #include "core/input/EventHandler.h"
 #include "core/inspector/ConsoleMessage.h"
@@ -160,6 +161,7 @@
 #include "core/timing/Performance.h"
 #include "modules/app_banner/AppBannerController.h"
 #include "modules/installation/InstallationServiceImpl.h"
+#include "modules/mime_handler_view/MimeHandlerView.h"
 #include "modules/screen_orientation/ScreenOrientationControllerImpl.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/UserGestureIndicator.h"
@@ -2444,4 +2446,14 @@ void WebLocalFrameImpl::extractSmartClipData(WebRect rectInViewport,
   }
 }
 
+PluginClient* WebLocalFrameImpl::createMimeHandlerView(
+    HTMLPlugInElement* element,
+    const WebURL& url,
+    const WebString& mimeType) {
+  if (!m_client)
+    return nullptr;
+  return MimeHandlerView::create(
+      element, url, mimeType, m_client->getUniqueElementIdForMimeHandlerView());
+}
+
 }  // namespace blink