SkPDF: SkShaper_primitive uses new textblob API

BUILD.gn

 # Copyright 2016 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//gn/shared_sources.gni")
 
 declare_args() {
   skia_enable_tools = !is_fuchsia && !is_component_build
 
@@ skipping 768 matching lines @@
       ":gm",
       ":gpu_tool_utils",
       ":skia",
       ":tool_utils",
       "//third_party/jsoncpp",
     ]
     testonly = true
   }
 
   if (current_cpu != "mipsel") {  # Clang 3.8 crashes while compiling hb-icu.cc for mipsel.
-    executable("sktexttopdf") {
+    executable("sktexttopdf-hb") {
       sources = [
         "tools/SkShaper_harfbuzz.cpp",
         "tools/using_skia_and_harfbuzz.cpp",
       ]
       deps = [
         ":skia",
         "//third_party/harfbuzz",
       ]
       testonly = true
     }
   }
+  executable("sktexttopdf") {
+    sources = [
+      "tools/SkShaper_primitive.cpp",
+      "tools/using_skia_and_harfbuzz.cpp",
+    ]
+    deps = [
+      ":skia",
+    ]
+    testonly = true
+  }
 }