Revert of Consolidate implementation of ImageBitmapRenderingContext

third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp

Index: third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
diff --git a/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp b/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
index f73c6f8756e1cdce3c7499d270b833d1a088e5aa..83227e68047d8112b0a028632c1852916ea0ce21 100644
--- a/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
+++ b/third_party/WebKit/Source/modules/imagebitmap/ImageBitmapRenderingContext.cpp
@@ -27,16 +27,9 @@
 }
 
 void ImageBitmapRenderingContext::transferFromImageBitmap(
-    ImageBitmap* imageBitmap,
-    ExceptionState& exceptionState) {
+    ImageBitmap* imageBitmap) {
   if (!imageBitmap) {
     m_image.release();
-    return;
-  }
-
-  if (imageBitmap->isNeutered()) {
-    exceptionState.throwDOMException(InvalidStateError,
-                                     "The input ImageBitmap has been detached");
     return;
   }
 
@@ -60,7 +53,6 @@
   }
   canvas()->didDraw(
       FloatRect(FloatPoint(), FloatSize(m_image->width(), m_image->height())));
-  imageBitmap->close();
 }
 
 bool ImageBitmapRenderingContext::paint(GraphicsContext& gc, const IntRect& r) {