Emit error events if the loading of an object element failed

components/plugins/renderer/webview_plugin.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/plugins/renderer/webview_plugin.h"
 
 #include <stddef.h>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
@@ skipping 130 matching lines @@
   if (!delegate_)
     return v8::Local<v8::Object>();
 
   return delegate_->GetV8ScriptableObject(isolate);
 }
 
 void WebViewPlugin::UpdateAllLifecyclePhases() {
   web_view()->UpdateAllLifecyclePhases();
 }
 
+bool WebViewPlugin::IsErrorPlaceholder() {
+  if (!delegate_)
+    return false;
+  return delegate_->IsErrorPlaceholder();
+}
+
 void WebViewPlugin::Paint(WebCanvas* canvas, const WebRect& rect) {
   gfx::Rect paint_rect = gfx::IntersectRects(rect_, rect);
   if (paint_rect.IsEmpty())
     return;
 
   base::AutoReset<bool> is_painting(
         &is_painting_, true);
 
   paint_rect.Offset(-rect_.x(), -rect_.y());
 
@@ skipping 198 matching lines @@
   if (!delegate_)
     return;
 
   // The delegate may instantiate a new plugin.
   delegate_->OnUnobscuredRectUpdate(gfx::Rect(unobscured_rect));
   // The delegate may have dirtied style and layout of the WebView.
   // See for example the resizePoster function in plugin_poster.html.
   // Run the lifecycle now so that it is clean.
   web_view()->UpdateAllLifecyclePhases();
 }