Move GrInvariantOutput out of GrProcessor and into its own class.

src/gpu/GrOvalRenderer.cpp

Index: src/gpu/GrOvalRenderer.cpp
diff --git a/src/gpu/GrOvalRenderer.cpp b/src/gpu/GrOvalRenderer.cpp
index 4575287d05c3de1fe074818a23ffe9c5e34896b2..46d316152ab3e1a45e74c4a98642ba54bdac40eb 100644
--- a/src/gpu/GrOvalRenderer.cpp
+++ b/src/gpu/GrOvalRenderer.cpp
@@ -17,6 +17,7 @@
 #include "GrDrawState.h"
 #include "GrDrawTarget.h"
 #include "GrGpu.h"
+#include "GrInvariantOutput.h"
 
 #include "SkRRect.h"
 #include "SkStrokeRec.h"
@@ -140,7 +141,7 @@ private:
         return cee.fStroke == fStroke;
     }
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE {
+    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
         inout->mulByUnknownAlpha();
     }
 
@@ -278,7 +279,7 @@ private:
         return eee.fStroke == fStroke;
     }
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE {
+    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
         inout->mulByUnknownAlpha();
     }
 
@@ -439,7 +440,7 @@ private:
         return eee.fMode == fMode;
     }
 
-    virtual void onComputeInvariantOutput(InvariantOutput* inout) const SK_OVERRIDE {
+    virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE {
         inout->mulByUnknownAlpha();
     }