blink: Fix frame completion querying for static images.

third_party/WebKit/Source/platform/image-decoders/jpeg/JPEGImageDecoder.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * Portions are Copyright (C) 2001-6 mozilla.org
  *
  * Other contributors:
  *   Stuart Parmenter <stuart@mozilla.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ skipping 974 matching lines @@
     return;
 
   frame_buffer_cache_[0].SetHasAlpha(false);
   frame_buffer_cache_[0].SetStatus(ImageFrame::kFrameComplete);
 }
 
 inline bool IsComplete(const JPEGImageDecoder* decoder, bool only_size) {
   if (decoder->HasImagePlanes() && !only_size)
     return true;
 
-  return decoder->FrameIsCompleteAtIndex(0);
+  return decoder->FrameIsDecodedAtIndex(0);
 }
 
 void JPEGImageDecoder::Decode(bool only_size) {
   if (Failed())
     return;
 
   if (!reader_) {
     reader_ = WTF::MakeUnique<JPEGImageReader>(this);
     reader_->SetData(data_.Get());
   }
 
   // If we couldn't decode the image but have received all the data, decoding
   // has failed.
   if (!reader_->Decode(only_size) && IsAllDataReceived())
     SetFailed();
 
   // If decoding is done or failed, we don't need the JPEGImageReader anymore.
   if (IsComplete(this, only_size) || Failed())
     reader_.reset();
 }
 
 }  // namespace blink