Revert of Support Float32 output from SkColorSpaceXform

include/gpu/GrDrawContext.h

Index: include/gpu/GrDrawContext.h
diff --git a/include/gpu/GrDrawContext.h b/include/gpu/GrDrawContext.h
index 5825b9238c66beb26fa2cb736948d610246b2e0f..29a70f9b14c19f50676e9952cce62092241e2522 100644
--- a/include/gpu/GrDrawContext.h
+++ b/include/gpu/GrDrawContext.h
@@ -33,7 +33,6 @@
 class GrStyle;
 class GrSurface;
 struct GrUserStencilSettings;
-class SkColorSpaceXform;
 class SkDrawFilter;
 struct SkIPoint;
 struct SkIRect;
@@ -336,7 +335,7 @@
     }
     const SkSurfaceProps& surfaceProps() const { return fSurfaceProps; }
     SkColorSpace* getColorSpace() const { return fColorSpace.get(); }
-    SkColorSpaceXform* getColorXformFromSRGB() const { return fColorXformFromSRGB.get(); }
+    GrColorSpaceXform* getColorXformFromSRGB() const { return fColorXformFromSRGB.get(); }
     GrSurfaceOrigin origin() const { return fRenderTarget->origin(); }
 
     bool wasAbandoned() const;
@@ -417,22 +416,22 @@
 
     GrDrawTarget* getDrawTarget();
 
-    GrDrawingManager*                  fDrawingManager;
-    sk_sp<GrRenderTarget>              fRenderTarget;
+    GrDrawingManager*                 fDrawingManager;
+    sk_sp<GrRenderTarget>             fRenderTarget;
 
     // In MDB-mode the drawTarget can be closed by some other drawContext that has picked
     // it up. For this reason, the drawTarget should only ever be accessed via 'getDrawTarget'.
-    GrDrawTarget*                      fDrawTarget;
-    GrContext*                         fContext;
-    GrInstancedPipelineInfo            fInstancedPipelineInfo;
-
-    sk_sp<SkColorSpace>                fColorSpace;
-    std::unique_ptr<SkColorSpaceXform> fColorXformFromSRGB;
-    SkSurfaceProps                     fSurfaceProps;
-    GrAuditTrail*                      fAuditTrail;
+    GrDrawTarget*                     fDrawTarget;
+    GrContext*                        fContext;
+    GrInstancedPipelineInfo           fInstancedPipelineInfo;
+
+    sk_sp<SkColorSpace>               fColorSpace;
+    sk_sp<GrColorSpaceXform>          fColorXformFromSRGB;
+    SkSurfaceProps                    fSurfaceProps;
+    GrAuditTrail*                     fAuditTrail;
 
     // In debug builds we guard against improper thread handling
-    SkDEBUGCODE(mutable GrSingleOwner*  fSingleOwner;)
+    SkDEBUGCODE(mutable GrSingleOwner* fSingleOwner;)
 };
 
 #endif