Separate GL path rendering state from GrGpuGL to GrGLPathRendering

src/gpu/GrGpu.h

Index: src/gpu/GrGpu.h
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index b752f7c09cac2a9fda262f360fc057bb9dcf2907..5020bddb399fe1ec9ffc1626601dcc6c17b10b55 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -10,6 +10,7 @@
 
 #include "GrDrawTarget.h"
 #include "GrClipMaskManager.h"
+#include "GrPathRendering.h"
 #include "SkPath.h"
 
 class GrContext;
@@ -54,6 +55,10 @@ public:
     GrContext* getContext() { return this->INHERITED::getContext(); }
     const GrContext* getContext() const { return this->INHERITED::getContext(); }
 
+    GrPathRendering* pathRendering() {
+        return fPathRendering.get();
+    }
+
     /**
      * The GrGpu object normally assumes that no outsider is setting state
      * within the underlying 3D API's context/device/whatever. This call informs
@@ -410,6 +415,8 @@ protected:
     void finalizeReservedVertices();
     void finalizeReservedIndices();
 
+    SkAutoTDelete<GrPathRendering> fPathRendering;
+
 private:
     // GrDrawTarget overrides
     virtual bool onReserveVertexSpace(size_t vertexSize, int vertexCount, void** vertices) SK_OVERRIDE;
@@ -438,8 +445,6 @@ private:
     virtual GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&) = 0;
     virtual GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) = 0;
     virtual GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) = 0;
-    virtual GrPath* onCreatePath(const SkPath& path, const SkStrokeRec&) = 0;
-    virtual GrPathRange* onCreatePathRange(size_t size, const SkStrokeRec&) = 0;
 
     // overridden by backend-specific derived class to perform the clear and
     // clearRect. NULL rect means clear whole target. If canIgnoreRect is
@@ -449,14 +454,6 @@ private:
     // overridden by backend-specific derived class to perform the draw call.
     virtual void onGpuDraw(const DrawInfo&) = 0;
 
-    // overridden by backend-specific derived class to perform the path stenciling.
-    virtual void onGpuStencilPath(const GrPath*, SkPath::FillType) = 0;
-    virtual void onGpuDrawPath(const GrPath*, SkPath::FillType) = 0;
-    virtual void onGpuDrawPaths(const GrPathRange*,
-                                const uint32_t indices[], int count,
-                                const float transforms[], PathTransformType,
-                                SkPath::FillType) = 0;
-
     // overridden by backend-specific derived class to perform the read pixels.
     virtual bool onReadPixels(GrRenderTarget* target,
                               int left, int top, int width, int height,