Update how we send draws to gpu backend to reduce state setting.

src/gpu/batches/GrAAHairLinePathRenderer.cpp

Index: src/gpu/batches/GrAAHairLinePathRenderer.cpp
diff --git a/src/gpu/batches/GrAAHairLinePathRenderer.cpp b/src/gpu/batches/GrAAHairLinePathRenderer.cpp
index 87e194064044267f17b7aae2e2161fc92ebf0e2a..e44a0467b117c24c79c9d74768f8084646ae96cf 100644
--- a/src/gpu/batches/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/batches/GrAAHairLinePathRenderer.cpp
@@ -860,7 +860,7 @@ void AAHairlineBatch::onPrepareDraws(Target* target) const {
     if (lineCount) {
         SkAutoTUnref<const GrIndexBuffer> linesIndexBuffer(
             ref_lines_index_buffer(target->resourceProvider()));
-        target->initDraw(lineGP, this->pipeline());
+        target->initDraw(lineGP, kTriangles_GrPrimitiveType);
 
         const GrVertexBuffer* vertexBuffer;
         int firstVertex;
@@ -883,9 +883,8 @@ void AAHairlineBatch::onPrepareDraws(Target* target) const {
 
         {
             GrVertices vertices;
-            vertices.initInstanced(kTriangles_GrPrimitiveType, vertexBuffer, linesIndexBuffer,
-                                   firstVertex, kLineSegNumVertices, kIdxsPerLineSeg, lineCount,
-                                   kLineSegsNumInIdxBuffer);
+            vertices.initInstanced(vertexBuffer, linesIndexBuffer, firstVertex, kLineSegNumVertices,
+                                   kIdxsPerLineSeg, lineCount, kLineSegsNumInIdxBuffer);
             target->draw(vertices);
         }
     }
@@ -922,12 +921,12 @@ void AAHairlineBatch::onPrepareDraws(Target* target) const {
         }
 
         if (quadCount > 0) {
-            target->initDraw(quadGP, this->pipeline());
+            target->initDraw(quadGP, kTriangles_GrPrimitiveType);
 
             {
                 GrVertices tempVerts;
-                tempVerts.initInstanced(kTriangles_GrPrimitiveType, vertexBuffer, quadsIndexBuffer,
-                                        firstVertex, kQuadNumVertices, kIdxsPerQuad, quadCount,
+                tempVerts.initInstanced(vertexBuffer, quadsIndexBuffer, firstVertex,
+                                        kQuadNumVertices, kIdxsPerQuad, quadCount,
                                         kQuadsNumInIdxBuffer);
                 target->draw(tempVerts);
                 firstVertex += quadCount * kQuadNumVertices;
@@ -935,12 +934,12 @@ void AAHairlineBatch::onPrepareDraws(Target* target) const {
         }
 
         if (conicCount > 0) {
-            target->initDraw(conicGP, this->pipeline());
+            target->initDraw(conicGP, kTriangles_GrPrimitiveType);
 
             {
                 GrVertices tempVerts;
-                tempVerts.initInstanced(kTriangles_GrPrimitiveType, vertexBuffer, quadsIndexBuffer,
-                                        firstVertex, kQuadNumVertices, kIdxsPerQuad, conicCount,
+                tempVerts.initInstanced(vertexBuffer, quadsIndexBuffer, firstVertex,
+                                        kQuadNumVertices, kIdxsPerQuad, conicCount,
                                         kQuadsNumInIdxBuffer);
                 target->draw(tempVerts);
             }