Remove unnecessary getColorSpace() API from SkCodec

include/codec/SkCodec.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkCodec_DEFINED
 #define SkCodec_DEFINED
 
@@ skipping 91 matching lines @@
 
     virtual ~SkCodec();
 
     /**
      *  Return the ImageInfo associated with this codec.
      */
     const SkImageInfo& getInfo() const { return fSrcInfo; }
 
     const SkEncodedInfo& getEncodedInfo() const { return fEncodedInfo; }
 
-    /**
-     *  Returns the color space associated with the codec.
-     *  Does not affect ownership.
-     *  Might be NULL.
-     */
-    SkColorSpace* getColorSpace() const { return fColorSpace.get(); }
-
     enum Origin {
         kTopLeft_Origin     = 1, // Default
         kTopRight_Origin    = 2, // Reflected across y-axis
         kBottomRight_Origin = 3, // Rotated 180
         kBottomLeft_Origin  = 4, // Reflected across x-axis
         kLeftTop_Origin     = 5, // Reflected across x-axis, Rotated 90 CCW
         kRightTop_Origin    = 6, // Rotated 90 CW
         kRightBottom_Origin = 7, // Reflected across x-axis, Rotated 90 CW
         kLeftBottom_Origin  = 8, // Rotated 90 CCW
         kDefault_Origin     = kTopLeft_Origin,
@@ skipping 526 matching lines @@
     /**
      *  Used for testing with qcms.
      *  FIXME: Remove this when we are done comparing with qcms.
      */
     virtual sk_sp<SkData> getICCData() const { return nullptr; }
 private:
     const SkEncodedInfo         fEncodedInfo;
     const SkImageInfo           fSrcInfo;
     SkAutoTDelete<SkStream>     fStream;
     bool                        fNeedsRewind;
-    sk_sp<SkColorSpace>         fColorSpace;
     const Origin                fOrigin;
 
     // These fields are only meaningful during scanline decodes.
     SkImageInfo                 fDstInfo;
     SkCodec::Options            fOptions;
     int                         fCurrScanline;
 
     /**
      *  Return whether these dimensions are supported as a scale.
      *
@@ skipping 46 matching lines @@
 
     // For testing with qcms
     // FIXME: Remove these when we are done comparing with qcms.
     friend class DM::ColorCodecSrc;
     friend class ColorCodecBench;
 
     friend class SkSampledCodec;
     friend class SkIcoCodec;
 };
 #endif // SkCodec_DEFINED