Allow explicit conversion operators and implement WTF::OwnPtr::operator bool.

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 256 matching lines @@
 
 size_t ImagePlanes::rowBytes(int i) const
 {
     ASSERT((i >= 0) && i < 3);
     return m_rowBytes[i];
 }
 
 bool ImageDecoder::hasColorProfile() const
 {
 #if USE(QCMSLIB)
-    return m_sourceToOutputDeviceColorTransform;
+    return m_sourceToOutputDeviceColorTransform.get();
 #else
     return false;
 #endif
 }
 
 #if USE(QCMSLIB)
 namespace {
 
 const unsigned kIccColorProfileHeaderLength = 128;
 
@@ skipping 70 matching lines @@
 
     qcms_data_type dataFormat = hasAlpha ? QCMS_DATA_RGBA_8 : QCMS_DATA_RGB_8;
 
     // FIXME: Don't force perceptual intent if the image profile contains an intent.
     m_sourceToOutputDeviceColorTransform = adoptPtr(qcms_transform_create(inputProfile.get(), dataFormat, gOutputDeviceProfile, QCMS_DATA_RGBA_8, QCMS_INTENT_PERCEPTUAL));
 }
 
 #endif // USE(QCMSLIB)
 
 } // namespace blink