Turn on -Werror on all non-Win platforms.

Source/core/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>
  *
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  *
@@ skipping 196 matching lines @@
             unsigned type = readUint16(ifd + 2, isBigEndian);
             unsigned count = readUint32(ifd + 4, isBigEndian);
             if (tag == orientationTag && type == shortType && count == 1)
                 return ImageOrientation::fromEXIFValue(readUint16(ifd + 8, isBigEndian));
         }
     }
 
     return ImageOrientation();
 }
 
+#if USE(QCMSLIB)
 static void readColorProfile(jpeg_decompress_struct* info, ColorProfile& colorProfile)
 {
 #if USE(ICCJPEG)
     JOCTET* profile;
     unsigned int profileLength;
 
     if (!read_icc_profile(info, &profile, &profileLength))
         return;
 
     // Only accept RGB color profiles from input class devices.
     bool ignoreProfile = false;
     char* profileData = reinterpret_cast<char*>(profile);
     if (profileLength < ImageDecoder::iccColorProfileHeaderLength)
         ignoreProfile = true;
     else if (!ImageDecoder::rgbColorProfile(profileData, profileLength))
         ignoreProfile = true;
     else if (!ImageDecoder::inputDeviceColorProfile(profileData, profileLength))
         ignoreProfile = true;
 
     ASSERT(colorProfile.isEmpty());
     if (!ignoreProfile)
         colorProfile.append(profileData, profileLength);
     free(profile);
 #else
     UNUSED_PARAM(info);
     UNUSED_PARAM(colorProfile);
 #endif
 }
+#endif
 
 class JPEGImageReader {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     JPEGImageReader(JPEGImageDecoder* decoder)
         : m_decoder(decoder)
         , m_bufferLength(0)
         , m_bytesToSkip(0)
         , m_state(JPEG_HEADER)
         , m_samples(0)
@@ skipping 534 matching lines @@
     // has failed.
     if (!m_reader->decode(*m_data, onlySize) && isAllDataReceived())
         setFailed();
     // If we're done decoding the image, we don't need the JPEGImageReader
     // anymore.  (If we failed, |m_reader| has already been cleared.)
     else if (!m_frameBufferCache.isEmpty() && (m_frameBufferCache[0].status() == ImageFrame::FrameComplete))
         m_reader.clear();
 }
 
 }