Remove OwnPtr::release() calls in platform/ (part 1).

third_party/WebKit/Source/platform/graphics/PictureSnapshot.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 123 matching lines @@
     if (!image)
         return nullptr;
 
     ImagePixelLocker pixelLocker(image, kUnpremul_SkAlphaType, kRGBA_8888_SkColorType);
     ImageDataBuffer imageData(IntSize(image->width(), image->height()),
         static_cast<const unsigned char*>(pixelLocker.pixels()));
     if (!PNGImageEncoder::encode(imageData, reinterpret_cast<Vector<unsigned char>*>(&encodedImage)))
         return nullptr;
 
     base64Encode(encodedImage, *base64Data);
-    return base64Data.release();
+    return base64Data;
 }
 
 PassOwnPtr<PictureSnapshot::Timings> PictureSnapshot::profile(unsigned minRepeatCount, double minDuration, const FloatRect* clipRect) const
 {
     OwnPtr<PictureSnapshot::Timings> timings = adoptPtr(new PictureSnapshot::Timings());
     timings->reserveCapacity(minRepeatCount);
     const SkIRect bounds = m_picture->cullRect().roundOut();
     SkBitmap bitmap;
     bitmap.allocPixels(SkImageInfo::MakeN32Premul(bounds.width(), bounds.height()));
     bitmap.eraseARGB(0, 0, 0, 0);
 
     double now = WTF::monotonicallyIncreasingTime();
     double stopTime = now + minDuration;
     for (unsigned step = 0; step < minRepeatCount || now < stopTime; ++step) {
         timings->append(Vector<double>());
         Vector<double>* currentTimings = &timings->last();
         if (timings->size() > 1)
             currentTimings->reserveCapacity(timings->begin()->size());
         ProfilingCanvas canvas(bitmap);
         if (clipRect) {
             canvas.clipRect(SkRect::MakeXYWH(clipRect->x(), clipRect->y(), clipRect->width(), clipRect->height()));
             canvas.resetStepCount();
         }
         canvas.setTimings(currentTimings);
         m_picture->playback(&canvas);
         now = WTF::monotonicallyIncreasingTime();
     }
-    return timings.release();
+    return timings;
 }
 
 PassRefPtr<JSONArray> PictureSnapshot::snapshotCommandLog() const
 {
     const SkIRect bounds = m_picture->cullRect().roundOut();
     LoggingCanvas canvas(bounds.width(), bounds.height());
     m_picture->playback(&canvas);
     return canvas.log();
 }
 
 } // namespace blink