GN: build sfntly, icu, harfbuzz

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 91c2b43ecedea5f87bb75572ae06d60c302d941f..0d15f3169c54d6730fe2750a30d2ca6411a37690 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -65,6 +65,9 @@ config("skia_private") {
     "SK_HAS_PNG_LIBRARY",
     "SK_HAS_WEBP_LIBRARY",
 
+    # TODO(halcanary): make this the default; this is the value Android uses.
+    "SK_SFNTLY_SUBSETTER=\"sample/chromium/font_subsetter.h\"",
+
     "TURBO_HAS_565",
     "TURBO_HAS_CROP",
     "TURBO_HAS_SKIP",
@@ -171,6 +174,7 @@ component("skia") {
     "//third_party/libjpeg_turbo",
     "//third_party/libpng",
     "//third_party/libwebp",
+    "//third_party/sfntly",
     "//third_party/zlib",
   ]
 
@@ -364,8 +368,8 @@ test_lib("gpu_tool_utils") {
 
   if (is_linux) {
     sources += [
-        "src/gpu/gl/glx/GrGLCreateNativeInterface_glx.cpp",
-        "tools/gpu/gl/glx/CreatePlatformGLTestContext_glx.cpp",
+      "src/gpu/gl/glx/GrGLCreateNativeInterface_glx.cpp",
+      "tools/gpu/gl/glx/CreatePlatformGLTestContext_glx.cpp",
     ]
     libs += [
       "GL",
@@ -374,8 +378,8 @@ test_lib("gpu_tool_utils") {
     ]
   } else if (is_mac) {
     sources += [
-        "src/gpu/gl/mac/GrGLCreateNativeInterface_mac.cpp",
-        "tools/gpu/gl/mac/CreatePlatformGLTestContext_mac.cpp",
+      "src/gpu/gl/mac/GrGLCreateNativeInterface_mac.cpp",
+      "tools/gpu/gl/mac/CreatePlatformGLTestContext_mac.cpp",
     ]
     libs += [ "OpenGL.framework" ]
   }
@@ -458,8 +462,8 @@ test_lib("tests") {
               rebase_path("tests/FontMgrAndroidParserTest.cpp"),  # Android only
               rebase_path("tests/PathOpsSkpClipTest.cpp"),  # alternate main
               rebase_path("tests/RTConfRegistryTest.cpp"),  # TODO: delete
-              rebase_path("tests/SkSLErrorTest.cpp"),   # TODO: make work
-              rebase_path("tests/SkSLGLSLTest.cpp"),   # TODO: make work
+              rebase_path("tests/SkSLErrorTest.cpp"),  # TODO: make work
+              rebase_path("tests/SkSLGLSLTest.cpp"),  # TODO: make work
               rebase_path("tests/SkpSkGrTest.cpp"),  # doesn't compile
               rebase_path("tests/skia_test.cpp"),  # alternate main
             ]
@@ -544,4 +548,16 @@ if (!is_component_build) {  # Our test tools use many non-SK_API APIs...
     ]
     testonly = true
   }
+
+  executable("sktexttopdf") {
+    sources = [
+      "tools/SkShaper_harfbuzz.cpp",
+      "tools/using_skia_and_harfbuzz.cpp",
+    ]
+    deps = [
+      ":skia",
+      "//third_party/harfbuzz",
+    ]
+    testonly = true
+  }
 }