Remove most of Widget (FrameViewBase) class from HTMLPlugInElement.

third_party/WebKit/Source/core/loader/EmptyClients.cpp

Index: third_party/WebKit/Source/core/loader/EmptyClients.cpp
diff --git a/third_party/WebKit/Source/core/loader/EmptyClients.cpp b/third_party/WebKit/Source/core/loader/EmptyClients.cpp
index 285a73437915c284f81b02af6bbb725686387d2d..933d7754a6f1d2f2c66fe2519a5dc36046664651 100644
--- a/third_party/WebKit/Source/core/loader/EmptyClients.cpp
+++ b/third_party/WebKit/Source/core/loader/EmptyClients.cpp
@@ -160,13 +160,13 @@ LocalFrame* EmptyLocalFrameClient::createFrame(const FrameLoadRequest&,
   return nullptr;
 }
 
-FrameViewBase* EmptyLocalFrameClient::createPlugin(HTMLPlugInElement*,
-                                                   const KURL&,
-                                                   const Vector<String>&,
-                                                   const Vector<String>&,
-                                                   const String&,
-                                                   bool,
-                                                   DetachedPluginPolicy) {
+PluginView* EmptyLocalFrameClient::createPlugin(HTMLPlugInElement*,
+                                                const KURL&,
+                                                const Vector<String>&,
+                                                const Vector<String>&,
+                                                const String&,
+                                                bool,
+                                                DetachedPluginPolicy) {
   return nullptr;
 }