Emit error events if the loading of an object element failed

third_party/WebKit/public/web/WebPlugin.h

Index: third_party/WebKit/public/web/WebPlugin.h
diff --git a/third_party/WebKit/public/web/WebPlugin.h b/third_party/WebKit/public/web/WebPlugin.h
index 6e6403a7a6a5e5ce5129610d46044c0bbe83a7b6..4d28e153cf22b5e3fb318f5c9d7433af57bcf9d5 100644
--- a/third_party/WebKit/public/web/WebPlugin.h
+++ b/third_party/WebKit/public/web/WebPlugin.h
@@ -237,10 +237,13 @@ class WebPlugin {
   // Rotates the plugin's view of its content.
   virtual void rotateView(RotationType type) {}
 
-  virtual bool isPlaceholder() { return true; }
+  virtual bool isPlaceholder() { return placeholder; }
+  virtual void markAsErrorPlaceholder() { placeholder = true; }
+  virtual void unmarkAsErrorPlaceholder() { placeholder = false; }
 
  protected:
   ~WebPlugin() {}
+  bool placeholder = false;

[Bernhard Bauer, 2017/03/27 09:20:27]

WebPlugin is an interface; it shouldn't have members (and only trivial method
implementations). This should be on WebViewPlugin.

[George Joseph, 2017/03/28 10:08:31]

Done.

 };
 
 }  // namespace blink