Stateful PathRenderer implementation

src/gpu/GrAAHairLinePathRenderer.cpp

Index: src/gpu/GrAAHairLinePathRenderer.cpp
===================================================================
--- src/gpu/GrAAHairLinePathRenderer.cpp	(revision 11314)
+++ src/gpu/GrAAHairLinePathRenderer.cpp	(working copy)
@@ -819,15 +819,14 @@
     return true;
 }
 
-bool GrAAHairLinePathRenderer::canDrawPath(const SkPath& path,
-                                           const SkStrokeRec& stroke,
+bool GrAAHairLinePathRenderer::canDrawPath(const SkStrokeRec& stroke,
                                            const GrDrawTarget* target,
                                            bool antiAlias) const {
     if (!stroke.isHairlineStyle() || !antiAlias) {
         return false;
     }
 
-    if (SkPath::kLine_SegmentMask == path.getSegmentMasks() ||
+    if (SkPath::kLine_SegmentMask == fPath.getSegmentMasks() ||
         target->caps()->shaderDerivativeSupport()) {
         return true;
     }
@@ -871,8 +870,7 @@
     return true;
 }
 
-bool GrAAHairLinePathRenderer::onDrawPath(const SkPath& path,
-                                          const SkStrokeRec&,
+bool GrAAHairLinePathRenderer::onDrawPath(const SkStrokeRec&,
                                           GrDrawTarget* target,
                                           bool antiAlias) {
 
@@ -889,7 +887,7 @@
     PREALLOC_PTARRAY(128) conics;
     IntArray qSubdivs;
     FloatArray cWeights;
-    quadCnt = generate_lines_and_quads(path, drawState->getViewMatrix(), devClipBounds,
+    quadCnt = generate_lines_and_quads(fPath, drawState->getViewMatrix(), devClipBounds,
                                        &lines, &quads, &conics, &qSubdivs, &cWeights);
     lineCnt = lines.count() / 2;
     conicCnt = conics.count() / 3;
@@ -899,7 +897,7 @@
         GrDrawTarget::AutoReleaseGeometry arg;
         SkRect devBounds;
 
-        if (!this->createLineGeom(path,
+        if (!this->createLineGeom(fPath,
                                   target,
                                   lines,
                                   lineCnt,
@@ -945,7 +943,7 @@
         GrDrawTarget::AutoReleaseGeometry arg;
         SkRect devBounds;
 
-        if (!this->createBezierGeom(path,
+        if (!this->createBezierGeom(fPath,
                                     target,
                                     quads,
                                     quadCnt,