Notify listeners on bitmaprenderer context changes

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

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 1239 matching lines @@
     *status = NormalSourceImageStatus;
     return placeholderFrame();
   }
 
   if (!m_context) {
     RefPtr<Image> result = createTransparentImage(size());
     *status = result ? NormalSourceImageStatus : InvalidSourceImageStatus;
     return result;
   }
 
-  if (m_context->getContextType() == CanvasRenderingContext::ContextImageBitmap)
+  if (m_context->getContextType() ==
+      CanvasRenderingContext::ContextImageBitmap) {
+    *status = NormalSourceImageStatus;
     return m_context->getImage(hint, reason);
+  }
 
   sk_sp<SkImage> skImage;
   // TODO(ccameron): Canvas should produce sRGB images.
   // https://crbug.com/672299
   if (m_context->is3d()) {
     // Because WebGL sources always require making a copy of the back buffer, we
     // use paintRenderingResultsToCanvas instead of getImage in order to keep a
     // cached copy of the backing in the canvas's ImageBuffer.
     renderingContext()->paintRenderingResultsToCanvas(BackBuffer);
     if (hasImageBuffer()) {
@@ skipping 180 matching lines @@
     // Creates a placeholder layer first before Surface is created.
     m_surfaceLayerBridge->createSolidColorLayer();
   }
 }
 
 void HTMLCanvasElement::OnWebLayerReplaced() {
   setNeedsCompositingUpdate();
 }
 
 }  // namespace blink