Removed local RefPtr objects created from PassRefPtr arguments.

third_party/WebKit/Source/platform/image-decoders/ImageDecoder.cpp

 /*
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 50 matching lines @@
 
 inline bool MatchesBMPSignature(const char* contents) {
   return !memcmp(contents, "BM", 2);
 }
 
 // This needs to be updated if we ever add a matches*Signature() which requires
 // more characters.
 static constexpr size_t kLongestSignatureLength = sizeof("RIFF????WEBPVP") - 1;
 
 std::unique_ptr<ImageDecoder> ImageDecoder::Create(
-    PassRefPtr<SegmentReader> pass_data,
+    RefPtr<SegmentReader> data,
     bool data_complete,
     AlphaOption alpha_option,
     const ColorBehavior& color_behavior) {
-  RefPtr<SegmentReader> data = pass_data;
-
   // We need at least kLongestSignatureLength bytes to run the signature
   // matcher.
   if (data->size() < kLongestSignatureLength)
     return nullptr;
 
   const size_t max_decoded_bytes =
       Platform::Current() ? Platform::Current()->MaxDecodedImageBytes()
                           : kNoDecodedImageByteLimit;
 
   // Access the first kLongestSignatureLength chars to sniff the signature.
@@ skipping 28 matching lines @@
       break;
     case SniffResult::BMP:
       decoder.reset(
           new BMPImageDecoder(alpha_option, color_behavior, max_decoded_bytes));
       break;
     case SniffResult::kInvalid:
       break;
   }
 
   if (decoder)
-    decoder->SetData(data.Release(), data_complete);
+    decoder->SetData(std::move(data), data_complete);
 
   return decoder;
 }
 
 bool ImageDecoder::HasSufficientDataToSniffImageType(const SharedBuffer& data) {
   return data.size() >= kLongestSignatureLength;
 }
 
 ImageDecoder::SniffResult ImageDecoder::DetermineImageType(const char* contents,
                                                            size_t length) {
@@ skipping 413 matching lines @@
 sk_sp<SkColorSpace> ImageDecoder::ColorSpaceForSkImages() const {
   if (!color_behavior_.IsTag())
     return nullptr;
 
   if (embedded_color_space_)
     return embedded_color_space_;
   return SkColorSpace::MakeSRGB();
 }
 
 }  // namespace blink