Remove FrameViewBase as base class of PluginView.

third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp b/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
index 43fe90a468fa8d032dbd1dc233a9ef1835a7d6af..3665ea9f8012823b4c414f5cd681d9e21f9d00fc 100644
--- a/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp
@@ -104,7 +104,7 @@ void HTMLPlugInElement::SetPlugin(PluginView* plugin) {
   // Remove and dispose the old plugin if we had one.
   if (plugin_) {
     GetDocument().View()->RemovePlugin(plugin_);
-    DisposeWidgetSoon(plugin_);
+    DisposeFrameOrPluginSoon(plugin_);
   }
   plugin_ = plugin;
 
@@ -150,7 +150,7 @@ void HTMLPlugInElement::SetPersistedPlugin(PluginView* plugin) {
     return;
   if (persisted_plugin_) {
     persisted_plugin_->Hide();
-    DisposeWidgetSoon(persisted_plugin_.Release());
+    DisposeFrameOrPluginSoon(persisted_plugin_.Release());
   }
   persisted_plugin_ = plugin;
 }