Drop ImageLoader in plugins

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

Index: third_party/WebKit/Source/core/html/HTMLPlugInElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLPlugInElement.h b/third_party/WebKit/Source/core/html/HTMLPlugInElement.h
index 924973f5efd18dc4901be643b94e48bab447a69e..c8f650434c9eb23d217b3882666e08f20f1ac05c 100644
--- a/third_party/WebKit/Source/core/html/HTMLPlugInElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLPlugInElement.h
@@ -26,13 +26,11 @@
 
 #include "core/CoreExport.h"
 #include "core/html/HTMLFrameOwnerElement.h"
-#include "platform/bindings/ActiveScriptWrappable.h"
 #include "platform/bindings/SharedPersistent.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
-class HTMLImageLoader;
 class LayoutEmbeddedContent;
 class LayoutEmbeddedItem;
 class PluginView;
@@ -42,17 +40,13 @@ enum PreferPlugInsForImagesOption {
   kShouldNotPreferPlugInsForImages
 };
 
-class CORE_EXPORT HTMLPlugInElement
-    : public HTMLFrameOwnerElement,
-      public ActiveScriptWrappable<HTMLPlugInElement> {
+class CORE_EXPORT HTMLPlugInElement : public HTMLFrameOwnerElement {
   USING_GARBAGE_COLLECTED_MIXIN(HTMLPlugInElement);
 
  public:
   ~HTMLPlugInElement() override;
   DECLARE_VIRTUAL_TRACE();
 
-  bool HasPendingActivity() const final;
-
   void SetFocused(bool, WebFocusType) override;
   void ResetInstance();
   // TODO(dcheng): Consider removing this, since HTMLEmbedElementLegacyCall
@@ -91,7 +85,6 @@ class CORE_EXPORT HTMLPlugInElement
 
   // Node functions:
   void RemovedFrom(ContainerNode* insertion_point) override;
-  void DidMoveToNewDocument(Document& old_document) override;
 
   // Element functions:
   bool IsPresentationAttribute(const QualifiedName&) const override;
@@ -118,7 +111,6 @@ class CORE_EXPORT HTMLPlugInElement
   String service_type_;
   String url_;
   KURL loaded_url_;
-  Member<HTMLImageLoader> image_loader_;
   bool is_delaying_load_event_;
 
  private: