Revert of Remove GP from drawstate, revision of invariant output for GP (patchset #9 id:160001 of https://codereview.chromium.org/791743003/)

Reason for revert:
breaks mac

Original issue's description:
> Remove GP from drawstate, revision of invariant output for GP
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/c6bc58eded89b0c0a36b8e20e193c200f297a0da

TBR=bsalomon@google.com,egdaniel@google.com,joshualitt@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/794843002

1 files changed, 0 insertions, 15 deletions

diff --git a/include/gpu/GrFragmentProcessor.h b/include/gpu/GrFragmentProcessor.h
index 0c155996d5..3f308d7e75 100644
--- a/include/gpu/GrFragmentProcessor.h
+++ b/include/gpu/GrFragmentProcessor.h
@@ -67,16 +67,6 @@ public:
         return this->onIsEqual(that);
     }
 
-    /**
-     * This function is used to perform optimizations. When called the invarientOuput param
-     * indicate whether the input components to this processor in the FS will have known values.
-     * In inout the validFlags member is a bitfield of GrColorComponentFlags. The isSingleComponent
-     * member indicates whether the input will be 1 or 4 bytes. The function updates the members of
-     * inout to indicate known values of its output. A component of the color member only has
-     * meaning if the corresponding bit in validFlags is set.
-     */
-    void computeInvariantOutput(GrInvariantOutput* inout) const;
-
 protected:
     /**
      * Fragment Processor subclasses call this from their constructor to register coordinate
@@ -111,11 +101,6 @@ protected:
      */
     void setWillNotUseInputColor() { fWillUseInputColor = false; }
 
-    /**
-     * Subclass implements this to support getConstantColorComponents(...).
-     */
-    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const = 0;
-
 private:
     /**
      * Subclass implements this to support isEqual(). It will only be called if it is known that