Add nvprmsaa4 and nvprmsaa16 configs to bench_pictures

tools/PictureRenderer.h

Index: tools/PictureRenderer.h
diff --git a/tools/PictureRenderer.h b/tools/PictureRenderer.h
index 67392774ba192b421b9b5432474961e5d3598221..5d30e5b73362041d15e501a1e5624d464ecc58a6 100644
--- a/tools/PictureRenderer.h
+++ b/tools/PictureRenderer.h
@@ -75,6 +75,7 @@ public:
         kBitmap_DeviceType,
 #if SK_SUPPORT_GPU
         kGPU_DeviceType,
+        kNVPR_DeviceType,
 #endif
     };
 
@@ -176,6 +177,9 @@ public:
             case kGPU_DeviceType:
                 // Already set to GrContextFactory::kNative_GLContextType, above.
                 break;
+            case kNVPR_DeviceType:
+                glContextType = GrContextFactory::kNVPR_GLContextType;
+                break;
 #if SK_ANGLE
             case kAngle_DeviceType:
                 glContextType = GrContextFactory::kANGLE_GLContextType;
@@ -262,6 +266,9 @@ public:
                     config.append("_gpu");
                 }
                 break;
+            case kNVPR_DeviceType:
+                config.appendf("_nvprmsaa%d", fSampleCount);
+                break;
 #if SK_ANGLE
             case kAngle_DeviceType:
                 config.append("_angle");
@@ -285,6 +292,7 @@ public:
     bool isUsingGpuDevice() {
         switch (fDeviceType) {
             case kGPU_DeviceType:
+            case kNVPR_DeviceType:
                 // fall through
 #if SK_ANGLE
             case kAngle_DeviceType:
@@ -306,6 +314,9 @@ public:
             case kGPU_DeviceType:
                 glContextType = GrContextFactory::kNative_GLContextType;
                 break;
+            case kNVPR_DeviceType:
+                glContextType = GrContextFactory::kNVPR_GLContextType;
+                break;
 #if SK_ANGLE
             case kAngle_DeviceType:
                 glContextType = GrContextFactory::kANGLE_GLContextType;