[wip] image color correction

Source/platform/image-decoders/webp/WEBPImageDecoder.h

Index: Source/platform/image-decoders/webp/WEBPImageDecoder.h
diff --git a/Source/platform/image-decoders/webp/WEBPImageDecoder.h b/Source/platform/image-decoders/webp/WEBPImageDecoder.h
index d45da26db456e6c810a82bc65300f707da0012c4..ce9d25d2db50a73f464a9b76084e8732ffade0fd 100644
--- a/Source/platform/image-decoders/webp/WEBPImageDecoder.h
+++ b/Source/platform/image-decoders/webp/WEBPImageDecoder.h
@@ -44,6 +44,7 @@ public:
     virtual String filenameExtension() const OVERRIDE { return "webp"; }
     virtual bool isSizeAvailable() OVERRIDE;
     virtual bool hasColorProfile() const OVERRIDE { return m_hasColorProfile; }
+    virtual PassRefPtr<ColorSpaceProfile> colorProfile() const OVERRIDE;
     virtual size_t frameCount() OVERRIDE;
     virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE;
     virtual void setData(SharedBuffer* data, bool allDataReceived) OVERRIDE;
@@ -60,10 +61,12 @@ private:
     int m_formatFlags;
     bool m_frameBackgroundHasAlpha;
     bool m_hasColorProfile;
+    RefPtr<ColorSpaceProfile> m_colorProfile;
 
 #if USE(QCMSLIB)
     qcms_transform* colorTransform() const { return m_transform; }
-    void createColorTransform(const char* data, size_t);
+    bool createColorTransform(const char* data, size_t);
+    void clearColorTransform();
     void readColorProfile();
 
     bool m_haveReadProfile;