Start building Harfbuzz+Skia example

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index 8e6f7b7bd725901db8ed7c599b40f7d30d4f7f88..183edf1fd069a20f623d866f77bfb9dcbdfe708f 100644
--- a/DEPS
+++ b/DEPS
@@ -12,7 +12,7 @@ deps = {
   "third_party/externals/cmake"   : "https://cmake.googlesource.com/cmake.git@v3.3.1",
   "third_party/externals/freetype": "https://skia.googlesource.com/third_party/freetype2.git@6a19a7d332c5446542196e5aeda0ede109ef097b",
   "third_party/externals/gyp"     : "https://chromium.googlesource.com/external/gyp.git@87ac4d0e63fc7dd8152a350327fea8dcf031bf56",
-  "third_party/externals/harfbuzz": "https://skia.googlesource.com/third_party/harfbuzz.git@0.9.35",
+  "third_party/externals/harfbuzz": "https://skia.googlesource.com/third_party/harfbuzz.git@1.2.7",
   "third_party/externals/jsoncpp" : "https://chromium.googlesource.com/external/github.com/open-source-parsers/jsoncpp.git@1.0.0",
   "third_party/externals/libwebp" : "https://chromium.googlesource.com/webm/libwebp.git@v0.5.0",
   "third_party/externals/nanomsg" : "https://skia.googlesource.com/third_party/nanomsg.git@0.4-beta",